Corruption is the unwanted, unintentional and accidental change of data so that it is no longer usable.

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21 views

What should I do about corrupt data in an SD card?

I have an SD card (32GB Sandisk Extreme I think) which has recently been corrupted in some way. It is used in an SLR camera which has its own hardware issues (sometimes things happen when you don't ...
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3answers
86 views

CHKDSK: What option DOES NOT delete files and turn them into .chk files?

I had a recent power outage while using my computer, with a 1TB hard drive being directly accessed as the power went out. When the power came back on, and I rebooted my computer, one of my 1TB hard ...
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1answer
12 views

Why is Word for Macintosh losing author attribution upon each save and not showing spelling errors?

I'm using Microsoft Word for Mac 2011 and have one document that behaves differently than others when doing change tracking. For some reason, only in this document, whenever I save, all change ...
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2answers
70 views

How to repair .NET framework 4 installation on Windows 8

My mscorlib.dll seems to be corrupt. I tried reinstalling from the standalone .NET 4 installation package, but .NET 4 is integrated into Windows 8.1. Is there a way to repair it? I have tried System ...
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1answer
68 views

CheckSUR (System Update Readiness Tool) — (log+screencast)

Having stubborn corruption issues on my Windows 7 Ultimate 64bit. I have tried hard to solve this for almost 2 weeks now, without success.. I'm a bit surprised/offended to find myself being forced ...
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1answer
157 views

Unzip error “End-of-central-directory signature not found”

I have a ZIP file that open in Windown/MS Word, (actually it is a .DOCX file). Opening it with LibreOffice / Mac produces: General Error. General input/output error. File says: ../Commission ...
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1answer
282 views

Office 2010 “OSETUP.DLL digital signature does not validate or is not present”

I have a Windows 7 64-bit machine. I downloaded a (paid, legitimate) copy of Microsoft Office 2010 in ISO format. I followed the directions provided, first using 7-zip to unpack the ISO and then, when ...
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1answer
25 views

Why is 200 (octal) being subtracted from bytes written to / read from disk?

I'm running Ubuntu 12.04 on a P8P67 Deluxe Asus motherboard, with 3 x 1TB+ WD Caviar Green SATA disks. When I run: cp /media/X/ubuntu.iso /media/Y/ubuntu.iso cmp -l /media/X/ubuntu.iso ...
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2answers
118 views

DISM RestoreHealth Source

I am trying to fix component store corruption on my windows 8 laptop which is preventing me from upgrading to Windows 8.1. I have tried to run DISM /online/Cleanup-image/RestoreHealth but it doesn't ...
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1answer
18 views

Files corrupting without changing the date modified

We have files on our network that are being corrupted. ex. of corrupted file: name = foobar.indd date modified = 2/6/2014 so the file was last modified on the 2/6/2014 then was opened just fine on ...
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30 views

What happened to my hard drive and how can I fix it?

I was using my computer and then suddenly my secondary hard drive stopped working. I was playing a game that was on the hard drive and then it stopped loading, the game crashed, and I got a error ...
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37 views

One user of computer having trouble opening Excel file from Outlook attachment

There's an office at work here that is shared by 4 different users (1 for each shift). They all have their own unique logins. There is one user that is having problems where when she tries to open ...
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19 views

Github installation fails on windows

I tried installing git hub about 3 months ago, and then again today. It's the same error i get while installation saying git hub setup corrupt. Here is the link i try to download from. And it fails ...
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0answers
14 views

can't access server share on 1 computer

On the First computer a server share that used to work now gives me a message that I do not have access permissions On a second computer the share works just fine both machines can access other ...
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1answer
26 views

Chronic file system corruption

So I've been working in the computer repair biz for 5+ years now, not much is new to me. I've got this computer, what I thought was an open and shut scenario, the original BSOD was 0x07B. Ran the ...
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27 views

Is it possible to tell whether my backup data is corrupted?

After performing a backup of all my important files, I always try to do a cursory check by opening one of them to see if it is really there. But how do I know if all my data is backup safely without ...
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0answers
13 views

Corrupted CD shows accurate file size - Recoverable?

I received a CD at work that needs to be opened. Windows explorer crashes as soon I even click on the CD's icon in My Computer, yet it shows the size. It seems like windows is seeing something on the ...
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0answers
50 views

How does sfc repair the dllcache backup directory?

According to System File Checker (sfc) Documentation sfc will follow certain procedures to determine whether a system file is corrupt. If sfc discovers that a protected file has been overwritten, it ...
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4answers
108 views

Corrupted Hard Drive, what are my options?

I was backing up all the photos from my wife's iPhone today when my 2 year old walked up to the computer and yanked the cable out of it. The drive seemed to be having a hard time getting going after ...
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45 views

txt file became unreadable

I used Notepad++ to write some text, I created txt file in Windows 8.1, I wrote a lot of text, I saved the file and turned off my computer (the file was encoded in utf-8). Now when I open the file all ...
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0answers
17 views

Corruption of LVM physical volume

Please help me with this recovery issue! I had tried putting a FreePBX install CD and went through the menus, and because I had selected "HA" mode, without warning it began overwriting the partition ...
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44 views

Windows 7 user is “Member Of” Administrators but Administrators doesn't have user in “Members”

In Windows 7, I would like to make Dalia a regular user instead of an administrator but I've the following issue, after I used some password recovery tool (don't remember) on the registry: There's a ...
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1answer
83 views

Cause of disk data corruption?

I have had in the recent weeks several cases of data corruption that occurred while copying files from one disk to another. Question is: what can be the cause, and how do I pinpoint it? Some clues: ...
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1answer
3k views

How do I fix corrupt files with 'sfc /scannow' in Windows 8.1?

I saw this question How do I repair the corrupted files found by sfc /scannow? "Windows Resource Protection found corrupt files but was unable to fix some of them.", but it was for Windows ...
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1answer
255 views

My PC has problems noticing drives and booting Windows 8.1

The PC might suddenly notice the drive if I connect it with another device using just one cable or maybe two cables or do anything else that shouldn't have an effect on the pc like swap cables with ...
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2answers
4k views

How do I repair the corrupted files found by sfc /scannow? “Windows Resource Protection found corrupt files but was unable to fix some of them.”

After running chkdsk C: /F /R and finding out that my hard disk has 24 KB in bad sectors (log is posted below), I decided to run Windows 7's System File Checker utility (sfc /scannow). SFC showed ...
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2answers
80 views

FTP Upload Corrupting PDF

I have a 100kb PDF file that we'll call Test.pdf. I'm using FTP to put Test.pdf on my website. However, the PDF is corrupted when it arrives on the website. So as a diagnostic test, I ran: $ ...
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2answers
731 views

MicroSD not showing because of corruption

I have a Dell Venue 8 Pro a few months ago which runs on full Windows 8.1 and I put a MicroSD 64GB (Kingston SDCX10) on it's MicroSD card slot and it is working properly. Today my cat tripped my ...
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2answers
248 views

Is there a benefit to having NAS with ECC memory and ZFS filesystem when I work on systems with neither?

Recently I've read some alarming stats on corruption rates in systems with non-ECC RAM and typical filesystems. From what I can Google, having a system with ECC RAM running ZFS is probably the best ...
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2answers
291 views

Partition corruption, still can see files in single user mode, would like to retrieve files

The problem started after forcing the mac to shutdown. Since then, when trying to boot, it stays stuck at the grey apple with spinning wheel. I've tried a few generic things to be able to access my ...
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31 views

Corrupt display when upgrading Ubuntu 12.04 to 12.04.3

I'm using Vagrant to install the precise64 box (Ubuntu 12.04), then running apt-get update and apt-get -y upgrade near the start of the provisioning to upgrade it to 12.04.3 When aptitude is set up ...
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43 views

how to ensure large encrypted files are not corrupted over time?

I created a 20GB truecrypt container file. I use it to store videos. I store it on an external drive that is always connected to my Win7 daily PC, and only occasionally mount this container file with ...
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439 views

Files get corrupted frequently while copying to external hard drives

I'm running Windows 7 64 bit (updated all important updates yesterday) and have several external usb hard drives (self powered 3.5 inch). I recently noticed while copying files to the external drive ...
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0answers
36 views

Two files with same path and name - corrupted file system?

My computer is running windows XP 32 bit. I am using the following script to download the contents of a website to my hard drive, which is formatted as NTFS. wget-1.10.2.exe -r -x -p -nc -c -e ...
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88 views

Windows 7 profile folder corrupted

A variation of this was posted earlier but I couldn't fully understand the solution so I am asking again. When I logged into windows 7 earlier today it was looking rather different. The desktop theme ...
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157 views

Excel says my files are corrupted, but they are not

How can I fix my Excel files? many of them show this error message. we found a problem with some content in <file-name-here> Do you want us to try to recover as much as we can? If you trust ...
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56 views

BSOD on VHD on new SSD after a friend played some 'custom' MineCraft… Malicious rootkit virus? MBR corrupt

SPEC: Dell XPS 420 with (almost brand) new Vertex OCZ SSD. Hardware tests seem ok. Hi guys, like a couple of folks have mentioned, I'm having BSOD issue (0x0000007b - 'no boot device') all of a ...
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49 views

Boot loop that I cannot bypass

Recently, on a laptop that I've used for a while, I had a strange issue where OS files were corrupted (device manager) and Windows 8 was hung after the login screen, so I reinstalled Windows 7 over ...
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117 views

After a pen-drive was corrupted, other pen-drives are also not working

Let me explain what happened. I was creating bootable usb for Windows 8.1 preview using cmd. And I'm sure all commands were typed perfectly. In the end while copying using xcopy command, some error ...
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2answers
302 views

Corrupt Windows 7, Chkdsk finds errors continuously after multiple tries

My Windows 7 instance is all corrupt on my Dell XPS laptop (my kid hibernated it as it was starting). I got the Windows 7 installation disc and I try to repair the installation. The repair goes ...
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1answer
139 views

The USB mouse sticks in Windows 7 after automatic attempt to fix the boot

Avast Antivirus asked me to delete a probable virus and to restart to perform a checking. I had to stop the checking at the middle of the procedure as I needed the computer. It was imposible to turn ...
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1answer
258 views

Random crash then “a disk read error has occurred”

So out of the blue today when my computer was tabbed out of a game things got laggy and my computer crashed with a scrambled corrupt version of my screen making me think it was the GPU overheating. ...
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1answer
53 views

How can multiple windows 8 installations exist on 1 system without interfering with each other?

The Windows 8 installation that was supplied with a particular machine is locked with no admin privileges so to enable personalised use of the hardware I need to have a completey separate version of ...
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29 views

Secondary drive corrupted/not reading

When I connect my Seagate Barracuda to the computer, it shows up on the list of drives in Windows Explorer, but right clicking on it crashes Windows Explorer, opening it won't do anything, and I ...
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3answers
96 views

Windows: perform copy/move file operations while ensuring data integrity?

I've got a huge amount of family photos stored on a NAS drive that I would like to move to my Windows computer, edit, and then move back for archival purposes. However, I'm a bit paranoid about data ...
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44 views

.AVI Files randomly cease to open, other strange errors too

I Recently (a couple weeks ago) downloaded the complete series of Seinfeld, all in varying file type. I Watched them in sequence according to season and to airing date, and all was well. All of the ...
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1answer
213 views

Debian raspberry pi crashes when writing to SD-card

So after a day of having my pi crash when doing apt-get upgrade and wget i reinstalled debian only to find that the problem remained on the clean system. i did a badblocks read-only test which showed ...
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80 views

How do you fix a laptop with a corrupt hard drive and encrypted bios?

I have a laptop with a fully encrypted hard drive. Recently, the drive got corrupted and I am unable to boot up the laptop. The bios is password-protected so I cannot change the boot drive. Is there ...
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82 views

rtmpdump producing corrupt MP3 files

Out of all the music players I have, only Windows Media Player is able to play my .mp3 file produced from an rtmpdump of a audio stream. All my other media players, even VLC player are unable to ...
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234 views

Best way to try to recover FAT32 corrupted usb flash drive

I've got a FAT32 USB flash drive (Not mine; I would never store critical data on a FAT32 flash device!) with evident signs of data corruption: When viewed in Windows 7: All or almost all files are ...