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14
votes
6answers
9k views

Automating the scanning of graphics files for corruption

Does anyone know of a good program that can scan graphics files (particularly JPEG, GIF, and PNG) for corruption? Preferably, it would be able to scan a bunch of photos (files) automatically and have ...
9
votes
1answer
4k views

How can I force Thunderbird to re-download a corrupted message from the IMAP server?

I have a mail message that is corrupted in Thunderbird, but correct on the IMAP server (which is Gmail). Is it possible for me to tell Thunderbird to discard its copy and re-download it from the ...
9
votes
1answer
264 views

What is the practical value of redundancy in zip files?

How is redundancy implemented in zipping, and how do I benefit from it? I'd assume it consists of something like storing the lookup tables twice so a single defect does not invalidate the whole rest ...
7
votes
2answers
10k 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? ...
7
votes
3answers
753 views

Which archive file formats provide recovery protection against file corruption?

I use my external HDD to back up my files, by putting them into large archive files. I have thousands of tiny files, and put them into archives of 500MB to 4.2GB in size, before sending them to the ...
7
votes
5answers
5k 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

Corrupted files in Git

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
1answer
24k 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 ...
6
votes
3answers
15k 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
1answer
134 views

Why are bits in an oddly-consistent position being flipped when I read files?

I'm trying to track down a data corruption issue that occurs on reads in Win7x64 and am out of ideas on what to try next. This originally surfaced when migrating ~2TB of data to a new home NAS; when ...
6
votes
4answers
12k 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 ...
5
votes
5answers
2k 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
3answers
3k 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 ...
5
votes
1answer
3k views

How do I check if .wmv file is corrupted?

Whenever I try to play .wmv in an media player, it won't start playing by itself. When I slide the bar a little further only then it does. Could be the .wmv file corrupted from the beginning? How can ...
5
votes
1answer
2k views

File copy program that generates checksums of the data while copying too

My question in short: is there a tool that copies a file from directory A to B while, simultaneously, generating the checksum of the file it has copied/read, without doing an extra read/pass just to ...
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 ...
4
votes
2answers
299 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
3answers
655 views

Does moving files around my computer causes data corruption?

I've got a silly question floating in my head: If I have a file in C:/test1 and move it to C:/test2 then to D:/Other and so on... again and again, may the file become corrupted? What about making ...
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
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
311 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
8k 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
169 views

Files on HDD are getting corrupted

tl;dr On my new PC (with windows 8.1 x64) some files on local SATA-HDD are getting corrupted without visible reason (after some IDLE). Not a virus/malware! (did test with AVG antivirus installed, ...
4
votes
1answer
554 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 ...
4
votes
0answers
96 views

PC won't boot from flash drive after computer hibernated (grub on hdd corrupt too)

I had 3 OS installed: Windows 7 , Fedora 17 and Mageia 2 in my Acer Aspire 4253 laptop. I deleted the partition of Mageia and my grub got corrupted. I didn't have an installation DVD of either Win7 ...
3
votes
7answers
234 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
2k 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
2answers
2k 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
1answer
942 views

Is it possible to tell if a file is valid after an incomplete torrent download?

I'm trying to downloading a torrent file using uTorrent but it only gets to 99.3%... no one else is seeding anymore. If I open the torrent folder I can see all the individual files I'm looking for. ...
3
votes
3answers
20k views

How to extract corrupted RAR files

I try to extract a file from set of .RAR parts. I always get the following error: Corrupted so I tried many programs to extract the corrupted RAR files. I have 10 parts, each one 400MB big. The ...
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
2answers
764 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
3answers
486 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
13k views

How to fix damaged jpeg file on Windows?

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
4answers
2k views

File corruption after copying files in Windows 7 64 bit using two methods

I have 5000 pictures and other files in a directory taking up 35 GB. I want to duplicate this directory. Method 1: I do a simple copy and paste of the directory in explorer. I have the habit of ...
3
votes
1answer
858 views

Ubuntu mounts ISO but some files are unreadable

I'm new to Linux and just installed ubuntu 12.04 amd64 this month. I had failed to install Texlive with texlive2012 iso image. I used the recommended command to mount: mount -t iso9660 -o ...
3
votes
2answers
11k 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 ...
3
votes
1answer
196 views

What is this character-set corruption? (ISO-2022?)

I have a text file from a legacy source which contains corrupted characters. At first I thought the corruption was just gobbledygook, but it appears upon closer examination that some of the corrupted ...
3
votes
2answers
9k views

All my folders and files on my flash drive have been renamed automatically and I can no longer open them… I need those files

I opened up my flash drive this morning and all of my folders and files are normal, except for one folder and all its included files, which is the most important folder. The subfolders and files are ...
3
votes
1answer
756 views

How can I detect (and correct) silent data corruption?

My question is, how can I detect silent data corruption at my home PC (Windows + Linux). I do rsync like automatic backups (with version history). But how do I know in a few months/years that a long ...
3
votes
2answers
3k 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
11k views

Is there a good, free way to fix broken/corrupt .wmv files?

I've recovered some files from an hdd that weren't supposed to be deleted in the first place, but they have seeking problems/crash the players. Since they have the right size, I'm thinking it might be ...
3
votes
1answer
1k views

Corrupted files, hard drive test?

I'm currently on a macbook with a 1TB external hard drive connected trough a USB hub wich is connected on my macbook. The problem is, my disk, wich is partitioned in 2 (one HFS+ and one NTFS) keeps ...
3
votes
0answers
32 views

Sending files with continous hex pattern via FTP causes corruption

I'm experiencing very difficult to diagnose problem, which causes file corruption on files I'm uploading. Corruption happens to many files which contain continuous hexagonal pattern (like thousands ...
3
votes
1answer
909 views

repair corrupted PDF

I have already looked at: Repair corrupt PDF and Rescuing a possibly corrupt PDF in Acrobat I tried ghostscript on both OS X and Windows. OS X gs gave the following error: GPL Ghostscript 9.06 ...
3
votes
1answer
196 views

How can I extract data from non-corrupted .rar parts?

I have 15 RAR files with names like part 1, part 2 etc. Usually when I extract them, it combines them all into one folder. Now the the problem is: The first part is damaged and it is not extracting ...
3
votes
1answer
232 views

Recently-written files suddenly dropping to 4kb - OSX

I've got a bit of a problem here... I've got a render-farm full of machines that are writing to a central disk, and, sometimes, after it's written an image sequence (DPX files, 12Mb per frame), about ...
2
votes
2answers
556 views

Blank list of windows services

Recently when I open windows services (always as administrator) I get a blank list of services: When I try and click on one of the empty lines I get this "Script Error" message: This happens ...
2
votes
4answers
4k views

Recovering a corrupted .txt file

Well, my system crashed as I was saving a text file. When I reopened it, the data was unreadable (shows up as a bunch of ascii NULL characters) I'm guessing that there was a bit or two missing at ...
2
votes
1answer
46 views

Some images becoming corrupt when moving from digital camera to PC [closed]

I have two digital cameras, a Cannon PowerShot G9 and a Sony DSC-HX300 Cyber-shot. The images are OK when played back on the cameras, but when downloaded from either camera, a small percentage of ...