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class="nav-tabs-privacy" href="https://www.r-wipe.com/Data_Security_Privacy_FAQ.shtml"><span>PC Privacy</span></a> </div> </div></div> <div class="faq-body"> <div class="section"><div class="oh2"> File Recovery FAQ </div></div> <div class="section"><a class="expand-title faq-q" alt="1" id="q1"> My hard drive appears to have a hardware problem. But my data stored on it is very important to me. Can R-Studio help me? </a></div> <div class="expand-body faq-a" id="q1-e"><div class="section"> Immediately turn your system off and disconnect the drive. DO NOT DO ANYTHING WITH IT BY YOURSELF ANYMORE! Bring the drive to qualified data recovery professionals. They have special equipment, software, and, most important, required skills to work with such drives. Neither R-Studio, nor other data recovery software will help you in such case. Moreover, any further tampering with such drive will surely inflict more damage to your data. Quite often such damage is mortal to them.<br /> Symptoms that a hard drive has hardware problems:<br /> Your system does not recognize the device anymore, or it appears under unusual name.<br /> SMART inspecting programs report a severe hardware failure event.<br /> The hard drive makes unusual noise, clicks, starts too slowly.<br /> Bad blocks constantly appear on your hard drive. </div></div> <div class="section"><a class="expand-title faq-q" alt="2" id="q2"> I lost my information. What are guidelines I should follow before and during restoring data? </a></div> <div class="expand-body faq-a" id="q2-e"><div class="section"> OS considers deleted files as just free space on the disk. And it always reads and writes some data during its operation. So there are always chances that it will overwrite your lost files and make it recovery impossible. So the best practice would be to avoid starting your computer with lost files. Instead, disassemble it, disconnect the hard drive with lost files and connect it to another computer where R-Studio or R-Undelete is installed. <br /> To avoid disassembling the computer, R-Studio users may use either R-Studio Emergency or R-Studio Agent Emergency and data recovery over network for R-Studio Network version. See R-Studio documentations for more details. <br /> In any case, avoid installing the data recovery software on the disk the lost files are reside.<br /> <b>Do not restore files or write images into the drive that contains deleted files</b>.<br /> It is also a good idea to create an image of the disk with lost files and save it to another disk. You may use those images to recover your files instead of the original disks preserving the original data from accidental corruption.. All R-TT data recovery utilities (even in their Demo mode) create and process such images. Moreover, all R-TT data recovery utilities understand images created by any R-TT utility. </div></div> <div class="section"><a class="expand-title faq-q" alt="3" id="q3"> What is the difference between R-Studio and R-Undelete? </a></div> <div class="expand-body faq-a" id="q3-e"><div class="section"> R-Undelete is a light version of R-Studio intended for less experienced users. It has a wizard-oriented user interface and a smaller feature set. Still, it uses the same <a href="https://www.r-studio.com/data_recovery_technology.html"> IntelligentScan</a> technology and can solve most everyday data recovery tasks. You may compare R-Studio and R-Undelete on the <a href="https://www.r-undelete.com/">Undelete Software</a> page. </div></div> <div class="section"><a class="expand-title faq-q" alt="4" id="q4"> I used a partition manager. It failed and now almost all files on the disk are lost. Can R-Studio help me to recover my files? </a></div> <div class="expand-body faq-a" id="q4-e"><div class="section"> Not automatically. If you have a deep understanding of the file system, you may use Text/Hexadecimal Editor built into R-Studio to analyze the damage and recover the data. But if you are not an expert in file system it is better to consult a data recovery professional.<br /> Sometimes, scan for Known File Types may help to recover non-fragmented files.<br /> And remember! NEVER use any partition managing software unless you have all your important data backed up. </div></div> <div class="section"><a class="expand-title faq-q" alt="5" id="q5"> The MBR of my drive is damaged. Can R-Studio restore it? </a></div> <div class="expand-body faq-a" id="q5-e"><div class="section"> Not automatically. If you have a deep understanding of data structure of a hard drive , you may make the necessary changes in the MBR manually in R-Studio Text/Hexadecimal Editor, but you should be absolutely sure what are you going to do or you may further damage the MBR. </div></div> <div class="section"><a class="expand-title faq-q" alt="6" id="q6"> I have only one logical partition on my single system HD and I need to recover some accidentally deleted files urgently. How can I use your software to recover them? </a></div> <div class="expand-body faq-a" id="q6-e"><div class="section"> You may either use R-Undelete or R-Studio software to recover accidentally deleted files.<br /> If you have only one logical partition on your system hard drive we'd recommend you to remove the HD from the computer (PC1) and attach the HD to another computer (PC2) where R-Undelete or R-Studio is installed. You may attach the HD as a slave drive or use an HDD-to-USB adapter (a USB2.0 compatible is highly recommended to have higher data transfer rate). A notebook HD can be connected to the PC2 through a special adapter as well. Then run the software on the PC2 and search lost files on the attached HD.<br /> If you do not have an alternative PC where you can connect the drive, you should use only R-Studio with the following options: <br /> 1. Download R-Studio Emergency Media Creator to PC2 and create R-Studio Emergency Startup disk. Start the PC1 with the startup disk and recover data using R-Studio Emergency. Please note that R-Studio Emergency does not support files preview.<br /> 2. Install R-Studio Network and download R-Studio Agent Emergency Media Creator to PC2. Connect both PCs to the same network, either directly or through some hub/switch. Run the R-Studio Agent Emergency Media Creator and create R-Studio Agent Emergency startup disk. Start PC1 with the startup disk and establish a network connection between PC1 and PC2. Recover lost data over the network. </div></div> <div class="section"><a class="expand-title faq-q" alt="7" id="q7"> I have C and D disks. I want to recover files form disk D only. Can I install R-Studio Demo or R-Undelete on Disk C? </a></div> <div class="expand-body faq-a" id="q7-e"><div class="section"> If there are no system folders on disk D, yes, you can. Disks C and D are located on different places on the HDD. Any changes on C do not affect anything on disk D. </div></div> <div class="section"><a class="expand-title faq-q" alt="8" id="q8"> If I emptied my Recycle Bin, can I find files that had been there before? </a></div> <div class="expand-body faq-a" id="q8-e"><div class="section"> Yes, you may find them. You may try our R-Undelete Demo and check if our software can find files deleted from Recycle Bin. Please note that file/folder usually lose their original names when they are moved to Recycle Bin. Check the date or /and size of such found folders/files. It may help you to figure out which files/folders are you dealing with. That is how files are deleted in the Windows OS. </div></div> <div class="section"><a class="expand-title faq-q" alt="9" id="q9"> I have deleted logical disks. Moreover, I have created new disks where the old ones were resided. Can R-Studio help me? </a></div> <div class="expand-body faq-a" id="q9-e"><div class="section"> Probably yes, if you have not installed an operating system or write new files on the new disks. Scan the hard drive where the old disks resided and find them among Recognized partitions. Most likely they will be among the yellow ones. </div></div> <div class="section"><a class="expand-title faq-q" alt="10" id="q10"> When opening a disk I see some files marked with a red cross, some without. Does the red cross means that the file is unrecoverable? </a></div> <div class="expand-body faq-a" id="q10-e"><div class="section"> A Red cross on the icon means that the file has been intentionally deleted. Files without the red cross are files that exist or existed on the disk. They may be lost from the system due to file structure corruption (especially when found on Recognized partitions.) </div></div> <div class="section"><a class="expand-title faq-q" alt="11" id="q11"> What if I apply the Restore command to the files not being deleted? </a></div> <div class="expand-body faq-a" id="q11-e"><div class="section"> Nothing bad. R-Studio will copy them to the destination place, even if they are locked by the system. </div></div> <div class="section"><a class="expand-title faq-q" alt="12" id="q12"> When I recovered files, I see a bunch of files called 000456.pdf, 000578.pdf, etc. Does that mean I need to rename them manually to the names I want? </a></div> <div class="expand-body faq-a" id="q12-e"><div class="section"> Actually R-Studio shows all file names as they appear in the system. If they were weirdly renamed due some reasons, you have to rename them back manually. </div></div> <div class="section"><a class="expand-title faq-q" alt="13" id="q13"> I see folders named as '$$$Folder58448' or so. All they have a red X on them. What does that mean? </a></div> <div class="expand-body faq-a" id="q13-e"><div class="section"> A folder names like '$$$Folder58448' means that the folder itself has not been found on the disk only some references to it. For example, folders 'My documents', 'Work', 'Photos' have been found and all they have one parent folder, which description has not been actually found on the disk, so its name is unknown and therefore presented as '$$$Folder58448'. Perhaps the description of such folders was just outside of the scan area - so try to expand the region or scan the entire disk. If it does not help the description of the folder is most likely overwritten. </div></div> <div class="section"><a class="expand-title faq-q" alt="14" id="q14"> What do all the colors of Recognized partitions mean? </a></div> <div class="expand-body faq-a" id="q14-e"><div class="section"> Chances that you may recover your files from those partitions. Green partitions are most likely to keep all the files, yellow ones are less likely, and red one are the worst, but still worthy to browse through. </div></div> <div class="section"><a class="expand-title faq-q" alt="15" id="q15"> Windows does not start on my computer anymore. How can I recover my files? </a></div> <div class="expand-body faq-a" id="q15-e"><div class="section"> You should connect the hard drive from the computer to another computer with R-Studio/R-Undelete installed.<br /> For R-Studio users: You may also use R-Studio Emergency startup disk, or R-Studio Agent Emergency startup disk and recover your files over network.<br /> See our articles <a target="_blank" rel="noopener" href="https://www.r-studio.com/Emergency_File_Recovery.shtml"><b>Emergency File Recovery Using R-Studio Emergency</b></a> and <a target="_blank" rel="noopener" href="https://www.r-studio.com/emergency-data-recovery-over-network.html"><b>Emergency Data Recovery over Network</b></a> for more details. </div></div> <div class="section"><a class="expand-title faq-q" alt="16" id="q16"> From which drives will R-Studio family utilities recover files? </a></div> <div class="expand-body faq-a" id="q16-e"><div class="section"> Under Windows 2000/XP/2003/Vista/2008/Win7/Win8, R-Studio recovers files from all hard drives and logical disks visible by the host OS. <br /> Under Windows 95/98/ME, R-Studio recovers files from all logical disks visible by the host OS and from all hard drives correctly accessible by the Windows protected mode I/O subsystem. <br /> R-Studio network edition also recovers files from disks of a remote computer if R-Studio Agent or R-Studio Agent Emergency is running on them. </div></div> <div class="section"><a class="expand-title faq-q" alt="17" id="q17"> Will R-Studio family utilities recover long file names? Will they recover localized names? </a></div> <div class="expand-body faq-a" id="q17-e"><div class="section"> On Windows 2000/XP/2003/Vista/2008/Win7/Win8 operating systems R-Studio will recover files with file names up to 32000 characters and restore original file names in any national encoding.<br /> On Windows 95/98/ME there is a 255 characters limit for a file path size for recovered files. File name encoding is limited by the language currently set in Windows. Files with other character encoding will also be restored, however the file name will be altered to fit the Windows limitations. </div></div> <div class="section"><a class="expand-title faq-q" alt="18" id="q18"> Where can R-Studio family utilities save recovered files? </a></div> <div class="expand-body faq-a" id="q18-e"><div class="section"> On any device accessible by your operating system. Recovered files may also be saved to a network share specified by a UNC path (such as \\myserver\myshare). You may select a recovery path from a standard Windows directory dialog or enter it manually. Please note that the file system of the drive to which the recovered files are to be saved may limit NTFS files extended information recovery. </div></div> <div class="section"><a class="expand-title faq-q" alt="19" id="q19"> Can I save MAC-HFS files onto a FAT32 disk without destroying the HFS format, or do I need to save recovered files as an image, or onto another HFS DISK? </a></div> <div class="expand-body faq-a" id="q19-e"><div class="section"> Yes, but you may lose some HFS attributes when saving files to FAT , an NTFS disk would be a better choice. </div></div> <div class="section"><a class="expand-title faq-q" alt="20" id="q20"> Does R-Studio write anything onto an HDD? </a></div> <div class="expand-body faq-a" id="q20-e"><div class="section"> R-Studio never writes anything to the object from which you recover your data. Note that R-Studio has an HEX editor that can be set to allow writing data back onto the HDD. </div></div> <div class="section"><a class="expand-title faq-q" alt="21" id="q21"> My flash memory card had a problem. It lost the previous file system. I scanned the Flash memory, checked all Recognized Partitions but nothing was found. All my pictures has gone. If there is any other way to try to find my files? </a></div> <div class="expand-body faq-a" id="q21-e"><div class="section"> In this case please select the Extra Found files checkbox on the Scan dialog box. Usually all pictures in Flash Memory are not fragmented and can be found in the Extra Found Files. </div></div> <div class="section"><a class="expand-title faq-q" alt="22" id="q22"> I know that R-Studio can preview many file types. I need to recover more than 1000 files but wish to check if they can be recovered before purchasing the software. If your Demo previews 10-20 files and all of them are Ok, does that mean that all of them (1000) can also be recovered? </a></div> <div class="expand-body faq-a" id="q22-e"><div class="section"> No, that does not. Each file should be treated separately even the rest of files in the same folder can be recovered successfully. Unfortunately, each file you want to recover should be tested by previewed. Please check the R-Studio help to be sure that that file type can be previewed in R-Studio (see also the R-Studio Extended Viewer module). </div></div> <div class="section"><a class="expand-title faq-q" alt="23" id="q23"> How can I check which type of file system I deal with in R-Studio? </a></div> <div class="expand-body faq-a" id="q23-e"><div class="section"> You can check the Properties tab where you can find the Partition Type property. </div></div> <div class="section"><a class="expand-title faq-q" alt="24" id="q24"> My HDD is not recognized by BIOS. Can R-Studio help? </a></div> <div class="expand-body faq-a" id="q24-e"><div class="section"> Unfortunately, no. R-Studio is a software solution and all storage devices must be recognized by BIOS to access the data. </div></div> <div class="section"><a class="expand-title faq-q" alt="25" id="q25"> Can I recover data from a damaged DVD/CD-RW? </a></div> <div class="expand-body faq-a" id="q25-e"><div class="section"> Yes. But since UDF and ISO-9660 (CDFS) are not supported by R-Studio, only Known Files Types can be found and restored (without file names, though). </div></div> <div class="section"><a class="expand-title faq-q" alt="26" id="q26"> All of my files in my laptop drive are encrypted. I plugged the drive into another computer, ran scan, and files were identified correctly. However while recovering all files were saved with the .EFS extension. I also get a lot of warning messages as `Saving encrypted file to dump XXX`. What does this mean? </a></div> <div class="expand-body faq-a" id="q26-e"><div class="section"> Probably you are recovering files to the FAT file system which does not support encryption. Anyway these files will be valid on the original system under the original user credentials. </div></div> <div class="section"><a class="expand-title faq-q" alt="27" id="q27"> I gave my HDD to a data recovery company and they copied all recovered files into another HDD. Some of the recovered files cannot be opened. Can I use R-Studio to recover them from the new HDD? </a></div> <div class="expand-body faq-a" id="q27-e"><div class="section"> No, You need to use R-Studio on the original HDD. The new HDD never had the data needed to recover your files before they were copied from the source. </div></div> <div class="section"><a class="expand-title faq-q" alt="28" id="q28"> My HDD has failed. I ran R-Studio and found all my files and recovered them. The recovered files can not be opened. I think because my original HDD was encrypted. Can R-Studio help here? </a></div> <div class="expand-body faq-a" id="q28-e"><div class="section"> No. R-Studio recovers files as they are. If your files were encrypted, then you need to decrypt them using the software that did that. </div></div> <div class="section"><a class="expand-title faq-q" alt="29" id="q29"> R-Studio scans my disk for a long time. Can I stop it and check the results? </a></div> <div class="expand-body faq-a" id="q29-e"><div class="section"> While scanning, R-Studio tries to find all file systems that ever existed on the disk. It also tries to find lost files by their file characteristics typical to particular file types. That makes the scan process a long-time procedure.<br /> If you scan a NTFS disk, it has two copies of its MFT table. The primary one is on the disk beginning, the secondary one in the middle of the disk. You may cancel the scan when it passes 5-10% of the disk. In this case, most likely R-Studio will be able to re-construct the file structure of this disk. </div></div> <div class="section"><a class="expand-title faq-q" alt="30" id="q30"> How to speed scan up? </a></div> <div class="expand-body faq-a" id="q30-e"><div class="section"> If you know which file system you are looking for, leave only this one before scan in "File Systems" field on the Scan dialog. You may also disable Extra Found file or leave only those that you are interested in. Also, check that I/O Tries on the Property tab is set to 1. </div></div> <div class="section"><a class="expand-title faq-q" alt="31" id="q31"> I tried to scan my CD disc but such option is not available. Why? </a></div> <div class="expand-body faq-a" id="q31-e"><div class="section"> Check the CD Media File system in Windows Explorer. Does R-Studio support it? </div></div> <div class="section"><a class="expand-title faq-q" alt="32" id="q32"> I want to scan just specific folder(s). Can I do that? </a></div> <div class="expand-body faq-a" id="q32-e"><div class="section"> No, R-Studio scans the objects on the low level. The scan tries to find any files system that exists and/or existed on your HDD, rather than a specific folder or file. You may use the Find or Mask command after a scan. </div></div> <div class="section"><a class="expand-title faq-q" alt="33" id="q33"> I saved the scan info of an HDD. Do I need that HDD itself to recover data or this scan info is enough? </a></div> <div class="expand-body faq-a" id="q33-e"><div class="section"> You cannot recover data using only the scan info of the disk. You need that disk, too. Scan info is the information on the data structure on the disk, not the data themselves. You do not need to scan the disk one again, though, just load the scan info. That saves a lot of time. </div></div> <div class="section"><a class="expand-title faq-q" alt="34" id="q34"> I re-ran your program several times. Now I see that R-Studio does not save all the scan info until it is closed. Can I flush such info before closing? </a></div> <div class="expand-body faq-a" id="q34-e"><div class="section"> You can run R-Studio from the command line with the -flush switch. This will flush info into a file by every single line of log and scan info, but will slow the operations drastically. </div></div> <div class="section"><a class="expand-title faq-q" alt="35" id="q35"> I have an image created by R-Drive Image and tried to recover deleted files on it using your R-Studio but failed. Why did I wrong? </a></div> <div class="expand-body faq-a" id="q35-e"><div class="section"> Well, R-Drive Image can create two types of images. One when it writes to the image file only existing data (Image Options -> Backup actual data only) and the other when it creates and exact copy of the entire object (Image Options -> Sector by sector backup). The first image type cannot be successfully used to recover deleted files. You need to create the Sector by sector backup. </div></div> <div class="section"><a class="expand-title faq-q" alt="36" id="q36"> I have an image created by R-Studio and wish to restore it to another HDD. Can I do that? </a></div> <div class="expand-body faq-a" id="q36-e"><div class="section"> R-Studio is recovery rather than imaging software, so the answer depends.<br /> If you created a compressed image then you can use our R-Drive Image to restore it. If the image is uncompressed then you can use R-Studio's built-in hex editor to restore the image but no adjustment to the partition geometry can be made.<br /> <br /> In the newer version, an R-Studio image can be used by another our software, R-Drive Image, to restore it onto another HDD. So, if your R-Studio image was created by the version that supports such images, then you need R-Drive Image to do so. </div></div> <div class="section"><a class="expand-title faq-q" alt="37" id="q37"> I recently purchased a license of R-Studio NTFS, I am planning to uninstall it from the current machine, can I reinstall it on other machine? </a></div> <div class="expand-body faq-a" id="q37-e"><div class="section"> R-Studio is licensed per machine not per user and you can't transfer the software from one PC to another if the software has already been installed and registered once.<br /> <br /> However you can attach any HD like a slave drive (directly or through adapter for laptop's HD) to a PC where R-STUDIO is installed and recover lost data. It means the PC where R-Studio is installed can be used as a data recovery station and there is no limitation for attached or connected HDs. <br /> For data recovery service companies or individuals we recommend R-Studio Technician License <a href="https://www.r-studio.com/Data_Recovery_Technician.shtml">https://www.r-studio.com/Data_Recovery_Technician.shtml</a> . </div></div> <div class="section"><a class="expand-title faq-q" alt="38" id="q38"> R-Studio had been working fine for a long time until I upgraded the server from windows 2003 to R2, now the application is seen on the taskbar, but I cannot open it to start working. Uninstalling/re-installing several times does not help. </a></div> <div class="expand-body faq-a" id="q38-e"><div class="section"> Please, do the following:<br /> 1. Delete registry hives: <div class="code"> HKEY_CURRENT_USER\Software\R-TT<br /> HKEY_LOCAL_MACHINE\SOFTWARE\R-TT </div> 2. Delete manually the R-Studio's folder (by default it is C:\Program Files (x86)\R-Studio\)<br /> 3. Reinstall R-Studio<br /> 4. Launch it.<br /> 5. If that does not help, try to run it from the command line with switches <div class="code">-debug -log file_name</div> 6. If still no success, rename rs_un.bin to rs_un.exe and try to launch it. </div></div> <div class="section"><a class="expand-title faq-q" alt="39" id="q39"> I tried to recover a file, but failed with error code (801) </a></div> <div class="expand-body faq-a" id="q39-e"><div class="section"> Error code 801 means that this file extends beyond the partition it resides on. Either you have selected a wrong recognized partition after scan, or very heavy data loss on the partition. </div></div> <div class="section"><a class="expand-title faq-q" alt="40" id="q40"> When I opened files on a disk, R-Studio shows the data structure quite correctly. But I cannot find several files. They have disappeared from the folders they originally resided. Where have they gone and how I can found them? </a></div> <div class="expand-body faq-a" id="q40-e"><div class="section"> Sometimes R-Studio can find the files but not the entire file paths to them. It puts such files into the Extra Found Files folder. It is a good idea to search for the files there. If that does not help, try to find them by using file search globally on the entire disk. (R-Studio Help -> Data Recovery Using R-Studio -> Basic File Recovery-> Searching for a File). </div></div> <div class="section"><a class="expand-title faq-q" alt="41" id="q41"> How can I recover my Linux Ext2 partition if R-Studio works only under Windows? </a></div> <div class="expand-body faq-a" id="q41-e"><div class="section"> You need to attach your Linux drive to a Windows computer, and then restore the files using R-Studio. No matter how that system recognizes your drive, R-Studio should access it. You may also start your Linux computer with R-Studio Agent Emergency startup disk and recover data over the network using R-Studio network features. </div></div> <div class="section"><a class="expand-title faq-q" alt="42" id="q42"> I started creating an image of a disk. It stops at about 4Gb. Why? </a></div> <div class="expand-body faq-a" id="q42-e"><div class="section"> Apparently, you try to save the image on a disk with the FAT32 file system which has a 4Gb file size limitation. If this is the case, either save the image on a disk with the NTFS file system, or split your image file into parts lesser than 4 GB. Then you may open those images in R-Studio, create a virtual volume set, and process it like your original disk. </div></div> <div class="section"><a class="expand-title faq-q" alt="43" id="q43"> What is the best way to recover files from hard drive with bad sectors? </a></div> <div class="expand-body faq-a" id="q43-e"><div class="section"> If bad sectors are constantly appearing on your hard drive, create an image of the drive. Then open the image and do file recovery as it is the original hard drive. </div></div> <div class="section"><a class="expand-title faq-q" alt="44" id="q44"> What does 'Fixup out of bounds' mean? </a></div> <div class="expand-body faq-a" id="q44-e"><div class="section"> An MFT record of a file contains some self-validation values. One of them is known as 'fixup'. So if the MFT record is broken, then the following warnings can appear: <div class="code"> [FileId: XX] Fixup out of bounds<br /> [FileId: XX] Fixup XX is XX, but should be XX </div> These are not fatal errors. They mean that the file system information for the file is most probably overwritten. If so, there is a risk that that file cannot be recovered. </div></div> <div class="section"><a class="expand-title faq-q" alt="45" id="q45"> Which NTFS file extended information can R-Studio recover? Are there any restrictions or guidelines? </a></div> <div class="expand-body faq-a" id="q45-e"><div class="section"> <span>R-Studio supports recovery of compressed files, alternative data streams, encrypted files, file security and extended file attributes. If the R-Studio host OS and the file system of the disk you are going to save file to support any particular extended information, it will be saved with the file, too. Otherwise, the extended information will be saved as separate files with the same name as the restored file and extension showing the type of the extended information. Below is a quick reference for the host OS and file system of the target drive.</span> <br /><br /> <table align="center" border="1"> <tbody><tr> <td width="33%"><b>Extended information</b> </td> <td width="33%"><b>Required host OS</b> </td> <td width="33%"><b>Required target drive FS</b> </td> </tr><tr> <td>Encrypted files</td> <td>Windows 2000 or XP</td> <td >NTFS</td> </tr><tr> <td >Alternative data streams</td> <td>Windows NT, 2000 or XP</td> <td >NTFS</td> </tr><tr> <td>Files security</td> <td>Windows NT, 2000 or XP</td> <td >NTFS</td> </tr><tr> <td>Extended files attributes</td> <td>Windows NT, 2000 or XP</td> <td>NTFS or FAT</td> </tr> </tbody></table> <br /><br /> </div></div> <div class="section"><a class="expand-title faq-q" alt="46" id="q46"> I'm recovering all files from a 1GB memory card with a corrupted file system. But R-Studio is showing me that it is going to recover more than 3GB of data. How is that possible? </a></div> <div class="expand-body faq-a" id="q46-e"><div class="section"> There are 2 causes for that. First, you are recovering files both from the actual folder/file structure and from files found as Known File Types (files found by their signatures). In fact, that may double the total size of recovered files, as some files may be recovered twice. You may select only one recovery method (from the found file system or from Known File Types), but that may reduce the number of successfully recovered files.<br /> Second, as the previous file system was corrupted, R-Studio may determine some file sizes incorrectly, much larger than their actual sizes. </div></div> <div class="section"><a class="expand-title faq-q" alt="47" id="q47"> I cannot recover some files after an accidental quick-format of an NTFS disk on an XP machine. No files have been written on the disk after the format. My R-Studio runs on a Windows 7 computer. Why is this problem? </a></div> <div class="expand-body faq-a" id="q47-e"><div class="section"> The problem is that when a fresh NTFS disk re-formatted by Windows XP or Vista is connected to a Windows 7 computer, Windows 7 automatically and quietly extends the $MFT file to its default size of 256KB, effectively wiping out all file records stored on that place in the $MFT file of the previous file system. Given that a file record occupies 1KB in an $MFT file and there are first 27 system files, that results in a possible loss of 229 user's files from the previous file system. In comparison, XP creates a new $MFT files of 32KB wiping out the records of 5 user's files, Vista creates a new $MFT file of 64KB wiping out the records of 37 user's file.<br /> Those lost files can be recovered using only scan for Known File Types (by file signatures) </div></div> <div class="section"><a class="expand-title faq-q" alt="48" id="q48"> I know that data from a RAID 0 cannot be recovered if one HDD is gone. Can R-Studio help here? </a></div> <div class="expand-body faq-a" id="q48-e"><div class="section"> Unfortunately, no. No data recovery software can help in this case. </div></div> <div class="section"><a class="expand-title faq-q" alt="49" id="q49"> I created a RAID 5 but I am not sure which order of parent disks should be. Can your program figure it out? </a></div> <div class="expand-body faq-a" id="q49-e"><div class="section"> No. You will have to find the correct order by yourself. In addition, you have to specify block size and offset correctly, too. As a test point, select a file which is larger than a block size for the RAID and try to preview it. If the preview is correct, you have constructed your RAID correctly.<br /> The file size should be large than block size x (Number of all disks - number of parity disks).<br /> You may see some useful information on how to find the RAID parameters in our article <a target="_blank" rel="noopener" href="https://www.r-studio.com/finding-raid-parameters.html"><b>Finding RAID parameters</b></a> </div></div> <div class="section"><a class="expand-title faq-q" alt="50" id="q50"> I had RAID 5 with 4 disks. I have created a Virtual RAID 5 with 3 disks because the second drive does not work properly. I heard that RAID 5 should be OK when one disk is gone. I try to find my file system and it did not work. What was wrong? </a></div> <div class="expand-body faq-a" id="q50-e"><div class="section"> You should not forget to create a "Missing disk" object to replace the broken actual drive. That object will tell R-Studio that there are 4 drives in this RAID5 configuration, but the second drive is missing. </div></div> <div class="section"><a class="expand-title faq-q" alt="51" id="q51"> I need to create a RAID and I want to attach two disks via USB, one as internal (slave) one, and one will be connected as an image. Can I still use the Virtual RAID option in R-Studio? </a></div> <div class="expand-body faq-a" id="q51-e"><div class="section"> Yes, you can. You may create a Virtual RAID from any objects visible in R-Studio, be them real HDDs or images. In your case you will have a Virtual RAID consisting of 3 real HDDs and one image. You should open the image file in R-Studio before you can add it to your Virtual Array. </div></div> <div class="section"><a class="expand-title faq-q" alt="52" id="q52"> I wish to recover data from a NAS storage. Is R-Studio Network a solution for me? </a></div> <div class="expand-body faq-a" id="q52-e"><div class="section"> R-Studio may help, or may not. You cannot run R-Studio or R-Studio Agent on a NAS device directly. You need to connect disks from it to a conventional computer with R-Studio installed and try to recover data that way. Please note that most NAS devices run under some versions of Linux, FreeBSD, or other UNIX-like OS. That means that they use Unix-type file systems. Not all of them are supported by R-Studio, although you may use scan for Known File Types to recover your files. See R-Studio Help -> Data Recovery Using R-Studio -> Advanced Data Recovery -> Disk Scan -> Known File Types for more details on Known File Types. </div></div> <div class="section"><a class="expand-title faq-q" alt="53" id="q53"> Why do I need R-Studio Agent? Why cannot I use just a mapped drive to recover data via network? </a></div> <div class="expand-body faq-a" id="q53-e"><div class="section"> R-Studio cannot access all data it needs for recovery on a mapped network drive. Only R-Studio Agent can provide such data. </div></div> <div class="section"><a class="expand-title faq-q" alt="54" id="q54"> I installed Agent on a remote PC and started R-Studio. R-Studio doesn't see my remote PC. Why? </a></div> <div class="expand-body faq-a" id="q54-e"><div class="section"> Probably, a firewall or similar program blocks the access for R-Studio to the Agent. Check the remote PC, stop such program, and try again.<br /> See our articles <a target="_blank" rel="noopener" href="https://www.r-studio.com/DataRecovery_over_Network.shtml"><b>R-Studio: Data Recovery over Network</b></a> and <a target="_blank" rel="noopener" href="https://www.r-studio.com/data-recovery-over-the-internet.html"><b>R-Studio Technician: Data Recovery over the Internet</b></a> for more details. </div></div> <div class="section"><a class="expand-title faq-q" alt="55" id="q55"> I have R-Studio Emergency and R-Studio Agent Emergency. R-Studio Emergency can boot my PC but Agent Emergency cannot. Why? </a></div> <div class="expand-body faq-a" id="q55-e"><div class="section"> R-Studio Emergency and R-Studio Agent Emergency are based on different kernels so they may support different hardware sets. Probably you need to use R-Studio Emergency and saved recovered files to a network drive. </div></div> <div class="section"><a class="expand-title faq-q" alt="56" id="q56"> I have R-Studio Network installed on my Windows machine. Can I use its network capabilities to recover files from Mac computers? </a></div> <div class="expand-body faq-a" id="q56-e"><div class="section"> Yes, you can. Create an R-Studio Agent Emergency Startup disk on your Windows computer, connect the both computers over network, start the Mac computer with the R-Studio Agent Emergency Startup disk, and recover files over network.<br /> You may use this method for Windows, Mac, UNIX, and Linux OS, running on Intel and PowerPC platform. </div></div> <div class="section"><a class="expand-title faq-q" alt="57" id="q57"> For a test purpose, I created a small file, saved it to a disk, deleted it, and tried to recover it using R-Studio. But neither R-Studio, not R-Undelete could even find the file. What went wrong? </a></div> <div class="expand-body faq-a" id="q57-e"><div class="section"> There are two possible causes for that:<br /> 1. An effect of so-called "lazy write": When a file (especially, a small one) is being saved, Windows doesn't write it to the disk immediately. Instead, it puts it to a disk cache in computer's memory to write the file to the disk at the nearest convenience. Meanwhile, the file is accessible to the system and programs through that cache. If you delete the file before it's actually written to the disk, Windows deletes it from the disk cache, and the file may not be written to the disk at all. R-Studio (and any other data recovery software) reads data from the disk directly, bypassing the disk cache, what's why it may not find such file. Even more, when a file already written to the disk is being deleted, the deletion is also stored in the disk cache and may not be saved immediately to the disk. In this case, R-Studio (and any other data recovery software) would find the file on the disk as undeleted.<br /> To avoid such confusion, the test procedure should be as follows:<br /> 1. Create a file and save it to a disk.<br /> 2. Restart the system. During the restart, Windows will save all changes made to the files to the disk. Or you may use a disk cache flush utility that saves the changes to avoid system restart.<br /> 3. Delete the file.<br /> 4. Once again, restart the system to save the file deletion. Or flush the disk cache.<br /> 5. Recover the file using R-Studio or R-Undelete.<br /> If you use an external disk for the test, you may properly disconnect it using the Safely Remove Hardware icon instead of system restart.<br /><br /> 2. The MFT record of the file is overwritten (re-used) when another file is being saved to the NTFS-formatted disk. That rarely happens if the file is created, saved, and deleted during a short time. But chances for that are much higher if the disk is almost full. In this case, Windows may need the disk and MFT space for its own service files, which it constantly writes to / reads from the disk. If it is the case, the file data may remain on the disk and can be found during a disk scan for Known File Types among other Extra Found Files. Please note, that in this case the name of the file cannot be recovered. R-Studio uses a fake filenames like 12345 and places it into a corresponding file type. Moreover, if the file is small enough (less than 1 KB), Windows stores it within the MFT itself and, if the MFT record is overwritten, the file cannot be recovered at all. </div></div> <div class="section"><a class="expand-title faq-q" alt="58" id="q58"> I have lost my pst file because I deleted the customer profile. Can your R-Mail program find and recover it? </a></div> <div class="expand-body faq-a" id="q58-e"><div class="section"> No, R-Mail is an email recovery program that may find lost or deleted e-mails inside an existing pst file. What you need is a File recovery tool that may help you to find the deleted pst file. Please use R-Studio Demo and additional R-Studio Extended Viewer. You should try to find the deleted pst file and preview it. </div></div> <div class="section"><a class="expand-title faq-q" alt="59" id="q59"> I have deleted my e-mail in Yahoo (Hotmail, GMAIL) box. Can you R-Mail program help to recover it? </a></div> <div class="expand-body faq-a" id="q59-e"><div class="section"> No, Yahoo e-mail and the likes are located in a remote Yahoo EMAIL server. You may try to find an Http page with your email in the temporary IE pages (or those for other Internet browser you use) or/and contact the Yahoo technical Support team. </div></div> <div class="section"><a class="expand-title faq-q" alt="60" id="q60"> I deleted my e-mails more than 6 months ago. Since then I got many new ones but I want to find some of deleted e-mails. Can your R-Mail program help here? </a></div> <div class="expand-body faq-a" id="q60-e"><div class="section"> Yes, it may help in your case. Of course, the more time has past since then they were deleted the less chances you will recover them, but still it is worth trying. Only an attempt to recover them gives you a conclusive answer. Please download R-Mail demo and try it. You may find and preview found emails in this Demo program. </div></div> <div class="section"><a class="expand-title faq-q" alt="61" id="q61"> I did a base recovery and found my e-mails . What are the next steps? Can I move then into my existing inbox? </a></div> <div class="expand-body faq-a" id="q61-e"><div class="section"> Yes, you can. You may do it in different ways: by opening the email message one by one or export them and import them. Please read the R-Mail help to get more information on performing these operations. </div></div> <div class="section"><a class="expand-title faq-q" alt="62" id="q62"> I completed Base Recovery and I do not see any e-mail message that I deleted. If there are some other ways to try? </a></div> <div class="expand-body faq-a" id="q62-e"><div class="section"> If you found the correct e-mail file (dbx or pst) and did Base Recovery, that it is all you can do. Check one more time which email file you are working on. </div></div> <div class="section"><a class="expand-title faq-q" alt="63" id="q63"> I have found and recover my emails but one of them doesn't have the attachment any more. The attachment is corrupted. What can I do? </a></div> <div class="expand-body faq-a" id="q63-e"><div class="section"> Usually when your e-mail message was found and recovered the attachment should be OK too. You may try to repeat the recover once again. </div></div> <div class="section"><a class="expand-title faq-q" alt="64" id="q64"> I have recovered many mails using R-Mail for Outlook Express. How can I import them into my existing mail box? </a></div> <div class="expand-body faq-a" id="q64-e"><div class="section"> Simply save all (or just required) messages in an empty folder as the eml files, select all of them in Windows explorer (Ctrl-A), and drag and drop them into the required folder in Outlook Express window. </div></div> <div class="section"><a class="expand-title faq-q" alt="65" id="q65"> MS Excel cannot open my Excel spreadsheet. Can you program help? </a></div> <div class="expand-body faq-a" id="q65-e"><div class="section"> Yes, it may help. R-Excel tries to fix your Excel spreadsheet for you to open it in MS Excel. </div></div> <div class="section"><a class="expand-title faq-q" alt="66" id="q66"> MS Word cannot open my Word document. Can you program help? </a></div> <div class="expand-body faq-a" id="q66-e"><div class="section"> Yes, it may help. R-Word tries to fix your Word document for you to open it in MS Word. </div></div> <div class="section"><a class="expand-title faq-q" alt="67" id="q67"> I can't start my Windows 8 computer with the R-Studio Emergency or R-Studio Emergency Agent startup disk. Why? </a></div> <div class="expand-body faq-a" id="q67-e"><div class="section"> Sometimes, it may be impossible to start a Windows 8 computer with the R-Studio Emergency or R-Studio Emergency Agent startup disk. This happens because any computer should use a so-called "Secure boot" procedure to comply with Windows 8 hardware certification from Microsoft. In brief, this procedure prevents computer from booting into any operating system that isn't digitally signed with an appropriate digital signature. "Secure boot" is claimed to prevent unauthorized modification of the boot sector by bootkits, viruses, trojans, and other malicious software. To the date, only Windows 8, Windows Server 2012, and selected Linux distributions support this feature. As a side effect, it also prevents most LiveCDs, rescue disks (R-Studio and R-Drive Image included), and other OS from running.<br /> Likely enough, the other requirement of Windows 8 hardware certification is to make it possible for the user to disable the Secure boot procedure. Those settings can be done through the system BIOS under the Boot options. Generally, it's enough to enable Legacy support in those options, but sometimes it may require additional actions. Please, refer to your system documentation to learn more about disabling/enabling Secure boot.<br /> When Secure boot is disabled, it should be possible to start the computer with the R-Studio Emergency or R-Studio Emergency Agent startup disk.<br /> Please note that you should enable this feature back after using the startup disks because Windows 8 or Server 2012 may not start properly without the Secure boot feature enabled.<br /> </div></div> </div> <div class="row-blue row-section"><div class="section"> <div class="articles-items" id="articles-cols"> <div class="bottom-title">Data Recovery Articles</div> <ul class="bottom-col-left"> <li><a href="https://www.r-studio.com/Data_Recovery_Guide.shtml">Data Recovery Guide</a></li> <li><a href="https://www.r-studio.com/Why_RStudio.shtml">Why R-Studio?</a></li> <li><a href="https://www.r-studio.com/Forensic-and-DataRecovery-Business.html">R-Studio for Forensic and Data Recovery Business</a></li> <li><a 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