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

learn more… | top users | synonyms (1)

25
votes
14answers
9k views

Hibernating and booting into another OS: will my filesystems be corrupted?

IMPORTANT If you came here looking for an answer to this question, please read all the answers below. There are some testimonials from people who have lost data doing this. If you plan to do this ...
24
votes
4answers
18k views

Windows 7's PATH and environment variables are corrupted

I have no clue, but lately I've been having this problem. After running my workstation suddenly something destroys PATH and lots of stuff stops working. Initially, my path had MANY directories listed ...
17
votes
2answers
2k views

Can flash memory be physically damaged if power is interrupted while writing?

If data is actively being written to a flash memory device, can a memory cell (or perhaps the entire memory device) be physically damaged if power is removed, or will data simply be corrupted? Can ...
11
votes
7answers
657 views

Do hard drives lie?

In the days of old, I remember getting drive errors, but it seems that modern drives never report errors, but instead make a best effort to return you something. I recently had a hard drive fail, ...
9
votes
4answers
4k views

Automating the scanning of graphics files for corruption

Does anyone know of a good program that can scan graphics files (particularly JPG, GIF, and PNG) for corruption? Preferably, it would be able to scan a bunch of photos automatically and have some ...
7
votes
4answers
4k views

How to open corrupted ZIP files?

How can I open (or repair) corrupted ZIP files on Windows? Is there a way to force 7-Zip to open them?
7
votes
1answer
3k views

Problem with git corrupted files

I have recently removed some folders from my git repos history using the following command: git filter-branch --index-filter 'git rm -r --cached var' -- --all Unfortunately I cannot pull anymore ...
6
votes
2answers
9k views

What causes icon corruption in Windows 7?

I have read this question and this workaround does not work for me. Now when I launch FileZilla the icon shows fine on the taskbar. How can I fix this in Windows 7? What causes icon corruption? ...
6
votes
2answers
627 views

Is it safe to disconnect a SATA disk during sleep?

Is it safe to disconnect a SATA disk during sleep Windows 7? Is the disk powered off when the computer successfully have entered sleep mode? This is not my system disk, it's just a spinning disk for ...
6
votes
3answers
3k views

Seagate Momentus XT corrupting files (Linux and Mac)

My Seagate Momentus XT hybrid hard drive is corrupting files on Linux. I would appreciate help from anyone, but I'd particularly like to know if other Momentus XT users are able to reproduce this ...
6
votes
1answer
23k views

How can I repair or install startup repair/system recovery after BCD corruption?

How should I go about repairing startup repair? Installing startup repair onto the hard drive, as if it was not originally there, would also fix this. In the hope that someone at a Windows-specific ...
6
votes
3answers
7k views

Why are the bottom half of my images gray?

My brother in law took some pictures for me of my daughter after she was born. When I open up the pictures or look at the previews, they all look like this (with the bottom half gray): At first I ...
6
votes
3answers
8k views

How do I fix a Google Chrome corrupt settings file?

I fired up the computer today just to be met by a message saying that the Google Chrome settings file is corrupt. Oh well, I thought, and googled it. And to my surprise nobody seems to be getting ...
6
votes
1answer
135 views

Hard Drive Caddy corrupting drives

Something very funny is going on with my External Hard drive Caddy. I am running Linux Mint 14. I had a laptop breakdown just before Christmas, removed the drive and placed it into a 2.5" SATA ...
5
votes
5answers
1k views

Can a slow internet-connection corrupt a downloaded file?

When downloading a big file, can a slow internet connection cause it to corrupt?
5
votes
4answers
4k views

Microsoft Word 2007 opening all docs with field codes toggled off

Recently, something changed with my Microsoft Word 2007 installation/preferences on Windows XP, such that whenever I open a word document, all the field codes are displayed raw instead of as their ...
5
votes
3answers
2k views

What to do with a USB hard drive that is not recognized by any computer

I have a USB HDD that was disconnected from a computer in an improper way. Since than, connecting this disk to any computer has almost no effect: the only thing that changes is the HDD's blue LED ...
5
votes
5answers
14k views

Why does some of the songs in my iTunes library stop prematurely and go to the next song?

For the couple of weeks a whole bunch of the songs from my iTunes library stop early and skip to the next song (just as if it was at the end of the song). Although the point where it skips varies for ...
5
votes
1answer
2k views

MicroSD card getting corrupted for no good reason

I recently bought an MicroSD card online. It's a Sandisk 16GB class 2. However, it has a nasty problem. Every time I fill it with my data, the fat tables get corrupted. I've tried reformatting it, ...
5
votes
3answers
5k views

Files downloaded with Firefox are often corrupt

For the past six months or more, when I download a file with Firefox, it will usually be corrupt. During those months, I've always kept Firefox up-to-date. I'm currently running 3.6.6 32-bit. Here ...
5
votes
1answer
2k views

Recycle Bin does not work or is corrupt

My Recycle Bin icon is on the Desktop but when opened it has none of the normal Recycle Bin functions (e.g. "Empty Recycle Bin") there is just "Organise". Here is some more info: If I delete ...
4
votes
7answers
76k views

Desktop icons corrupted in Windows 7, how do I fix this?

Booting up Windows 7 the other day, I was sent into a temporary profile. When I logged out and logged into my normal profile, all the normal icons show but with a document icon superimposed on the ...
4
votes
2answers
251 views

How can I create a file with invalid Windows timestamps?

I'd like to create a file with an invalid created/modified/accessed timestamp. To be invalid it should be a date and time before 12:00 midnight January 1, 1601 C.E. UTC
4
votes
2answers
2k views

Spurious alleged file corruption on Windows 7

Recently my Laptop sometimes warns about corrupted files on the hard drive (Samsung SSD PB22-JS3 TM). This has only happened so far when updating (or checking out) an SVN repository with either ...
4
votes
2answers
742 views

Is it possible to regenerate firefox's profiles.ini from existing profiles?

I recently accidentally filled my home partition in Ubuntu. Before I realized what happened, I restarted Firefox because it was acting strangely (understandably). Now, when I start firefox with the ...
4
votes
1answer
224 views

Can I save space in a Maildir by hard-linking identical message files?

Obviously, the answer to the question in the title is yes. But I really want to know if I can do it without breaking anything. I am using offlineimap to back up my Gmail account to a Maildir on my ...
4
votes
2answers
3k views

Does “Mount volume as removable medium” reduce the chances of data corruption with a TrueCrypt encrypted USB hard drive?

I have an external USB hard drive plugged in to my laptop some of the time. The external drive is whole drive encrypted using TrueCrypt. I always check "Mount volume as removable medium" in the hope ...
4
votes
2answers
293 views

Non-restored Files Corrupted on System Restore

I restored Mac OS X 10.6.2 today (was 10.6.3 and not booting) by copying the system over from a backup. The data directories were not touched. In the data directories, I'm seeing some files as 0 ...
4
votes
1answer
7k views

How do I fix a corrupted copy of .Net Framework on Windows 7?

I receive the following error when trying to run applications that require .net Framework 3.5: Could not load file or assembly 'System.Core, Version=3.5.0.0, Culture=neutral, ...
4
votes
3answers
11k 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.”

In Windows 7, 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). ...
3
votes
7answers
223 views

Computer is dying--what should I be looking for?

Okay, I'm a bit knowledgeable with pooters and such, but i'm confused. My computer is dying slowly, and I'm not sure what part is causing this. Computer details: Vista, dell machine, intel Q6600, ...
3
votes
3answers
1k views

How does a downloaded ISO get corrupted? [duplicate]

Possible Duplicate: Is it possible to get corrupted download with http? I downloaded an ISO for fedora. Went to install it as a VM. It failed 5 times the installer. The warning for the ...
3
votes
4answers
4k views

Does RAID 1 protect against corruption?

Does Raid 1 protect against data corruption? For example, let's say that I am keeping all of my important files on a NAS that uses 2 disks in a RAID 1. If one hard drive has some kind of internal ...
3
votes
2answers
1k views

How do I make Windows XP recognize EXEs again?

I've got a virus "first" here. Basically a friend had gotten his system severely infected. He had 8 different viruses, and 157 different pieces of spyware (most of it likely replicated, but still). ...
3
votes
2answers
2k views

Recovering corrupted files uploaded in wrong FTP mode

Some files were uploaded in the wrong mode to the FTP (via command line). I believe I have some binary files that were uploaded in TEXT mode and now I cannot open them. I dont have access to the ...
3
votes
4answers
896 views

Display corruption when switching virtual terminals in Linux

I run Fedora (currently version 16, but this problem has been around a while) and occasionally when I switch virtual terminals (VTs) the new VT shows a corrupted version of some data that was ...
3
votes
2answers
5k views

GParted errors on MBR Disk, Claims it's GPT. (It's mistaken, but why?)

It's very tempting for me to go on a rant here about GParted and Linux, but I'll do my best to avoid it. :) Question: Why does GParted claim that my disk is corrupted and GPT, whereas the Disk ...
3
votes
3answers
2k views

Is it possible to check an MP3 for data corruption?

I was listening to some older mp3s today and I released that some of my songs have pops and cracks in them. I assume this means that the file has some bad blocks. Is there software/script/etc that I ...
3
votes
3answers
589 views

What could cause graphics corruption “Starburst” pattern?

Some time ago, I picked up an HIS ATI 4670 graphics card. It worked great, except that after 30-40 minutes of gaming (and sometimes Flash or other "2D" video) it would corrupt the display of the game ...
3
votes
3answers
405 views

Mac- or Unix-compatible utility to compute and compare LAME MusicCRC in MP3s?

The LAME encoder stores a CRC16 checksum of the audio stream in the header of every MP3 it encodes. The 'actual' audio checksum can then be computed and compared to the original value at a later date ...
3
votes
1answer
11k views

Fixing damaged jpgs

Recently I stupidly deleted some photos I shouldn't have. I used a program to recover the photos, some of them came back in a corrupted condition like below with grey areas. Any idea on how to fix ...
3
votes
1answer
31k views

Repair Windows 7 without the disk

Is it possible to repair Windows 7 without the disk? This PC hasn't been scanned for a while. Last time the PC was on, it was scanned using Avast Free Antivirus. It detected some corrupt zip files, ...
3
votes
4answers
7k views

Chicken and Egg: Can't Restore System Point and Can't Run Scan-Disk

I have an awesomely evil hard-drive corruption of some sort going on with my Windows 7 installation. Whenever I schedule a scandisk and restart, Windows tells me that the hard-drive is corrupted and I ...
3
votes
1answer
225 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: ...
3
votes
1answer
51 views

In/out-error, lost document

I had a document in a folder on a flash drive, and when I went to open it, it was nowhere to be found. Initially I thought it was something wrong with the USB stick where the folder was located, but ...
3
votes
1answer
124 views

Does flash-memory integrity depend on system resources while reading/writing (like CDs/DVDs)?

Question I’m really concerned that flash-memory is just not reliable as a storage for irreplaceable files. Does anybody know if the integrity (corruptibility) of flash-memory (flash-drives, ...
3
votes
2answers
8k views

Repairing a corrupt exFat file system

Long story short : I messed up my GPT and went on to try to fix it without asking anyone, just searching around. Didn't turn out too well. Right now all I'm concerned about is a 500GB that I ...
3
votes
3answers
625 views

Does a bad Internet connection increase bandwidth usage?

My (Rogers) cable connection has been pretty bad recently (channels 3 and 10 are particularly fuzzy—it’s analog, not digital cable). Not surprisingly, this has caused my cable modem to drop out and ...
3
votes
2answers
2k views

Prevent data corruption when using dropbox

So i have a backup system running that basically stores all files in Dropbox using encfs. (In addition i do a nightly rsync of the complete Dropbox folder to Amazon S3). I'm quite happy with that ...
3
votes
2answers
7k views

How to extract data from a partially corrupt multi-part rar archive?

I downloaded a video that's 11 parts the other day. Today I tried to extract it but it tells me that part04 is corrupt. So I checked "keep broken files", but of course it only gave me the beginning of ...