Questions tagged [crc]
The crc tag has no usage guidance.
42
questions
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Which files affected by CRC errors on NTFS?
I have CRC errors on my NTFS USB HDD and would like to know which files have been affected.
I'm doing a chkdsk /F /X /R, so far, it doesn't list any files.
Is there a tool/command to map out which ...
0
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0
answers
22
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All possible reasons for CRC errors to happen on ADSL connection [duplicate]
I keep asking the same question everywhere and I never once had a satisfying answer.
What causes CRC erroring to happen?
This is my current DSL log.
I have examined the wire from the local box to the ...
0
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0
answers
193
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How do I reformat a Bitlockered SSD that has a CRC error
I have a WD SSD that was bitlockered. I do not care about the data.
When I try to reformat or diskpart clean, I get a CRC error.
However, It shows up in drives and partitions fine, CrystalDisk reports ...
0
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0
answers
465
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Accessing CRC (OpenShift) on a remote server: "openshift crc ssh: connect to host xxx.xxx.xxx.xxx port 22: Connection refused"
I ask you for help because I was unable to access the OpenShift web console, installed in a VM (CentOS), from my pc (Ubuntu).
I am not an expert on linux, so please excuse me if I make any mistakes in ...
0
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1
answer
573
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When a HDD has bad sectors, are files that don't show up any errors at reading in good state?
Well, I am dealing with an HDD with some unreallocated bad sectors for the 2nd time (the first time was a dying HDD, but now this other HDD is just one with "caution" state according to ...
0
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1
answer
85
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Frequent internet disruption
I am getting disconnected from internet very frequently. The router and the computer connection is stable but the router blinking stops -> becomes red -> and then starts blinking again. I did a ...
0
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2
answers
3k
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How to fix weak/bad sectors (Pending sector count:2812-S.M.A.R.T attribute 1TB HP p3100 ext hd) due to read/write CRC error?
I have tried a plethora of software HD sentinel,HDD regenerator,HD tune pro,Victoria,HDD scan,Spinrite,Low level format tool,chkdsk,windows full format and virtually every other software possible but ...
12
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6
answers
27k
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What can be causing my tremendous amount of FEC and CRC errors via my DSL connection?
I am using Windows 7, Intel core processor, I7-4770K CPU @ 3.50 GHz, 64-bit operating system and 8 GB of RAM and for over 6 weeks I have been having intermittent disconnections — FEC and CRC errors ...
2
votes
1
answer
6k
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Extract hash values (CRC) and path names from an archive
I have successfully extracted data from a large .rar archive (1.9TB) using 7-zip and now I want to delete the archive. However, before I do so, I would like to save path names and, most importantly, ...
1
vote
0
answers
185
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File compressor with recovery [closed]
I want to compress a lot of files with a file compressor. I've found that 7z is really good at this stuff, but the problem is that it doesn't add CRC recovery to the file to prevent corrumption in the ...
0
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1
answer
358
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Is there a way to raw read or write sector/block to insert or copy a "CRC"⁽¹⁾ error with Linux?
A friend of mine told me that Linux kernel raid (mdadm raid5/6) wasn't reliable, because he tried once to overwrite sectors on one of his physical volumes and it caused file corruption. I replied him ...
0
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1
answer
103
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Buying a used hard disk with Interface CRC errors
A guy on a forum has listed his 6TB Western Digital Red hard drive for sale. He has sold several products before and has a good track record so he is not a scammer.
He has posted the following ...
11
votes
7
answers
46k
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Any Built-In Checksum utility for Windows 10 using CRC-32?
Is there any Built-In Checksum utility for Windows 10 using CRC-32? I checked different answers which are old and mention certUtil, but that does not support CRC-32 or CRC-64.
Update: I had also ...
1
vote
1
answer
770
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How can I get different SHA checksums for 'identical' iso files?
I have two ISO files, I call it
Windows 10 ISO #1.iso
Windows 10 ISO #2.iso
The checksums calculated with different tools show two different values for this two *.iso files.
The two textfiles show ...
1
vote
2
answers
4k
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The IO operation at logical block was retried and CRC errors in S.M.A.R.T
I have a Samsung 850 Evo (250GB) SSD since December 2016 (2+years). In February this year my system started to lag and while digging in Event Viewer I saw Event 153 + CRC error count in SMART go up. ...
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1
answer
792
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How can I compare a full directory's checksum between platforms?
I have a directory full of files and subdirectories on a Win7 machine. I want to archive them, so I compress and move them to archival storage. Before compression, I use the CRC context menu to ...
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1
answer
1k
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Fix for CRC Error
I have an SSD with a CRC Error. When I connect the drive to the PC, it does not appear as a drive (with associated drive letter) so I cannot run CHKDSK against it but it does appear in Disk Management....
8
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4
answers
23k
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What may cause very high CRC errors on SSD (Apart from bad SATA cables, if any)?
My SATA SSD, in a span of about 2 years has developed over 37K CRC errors. These have not linearly increased. There have been just 3 -4 instances where Windows hung and later after inspecting SMART ...
-1
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1
answer
239
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How do I fix my Windows 10 PC to normal condition after using a registry cleaner without backing up [closed]
I used CCleaner yesterday to delete registry entries that generated errors because I was getting a RunDLL error on my Windows 10 PC and I forgot to create a backup beforehand.
When the RunDLL errors ...
0
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1
answer
377
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What's the granularity of CRC checks in bittorrent transfers like?
I don't think I've ever successfully used any torrent client in 20 years of trying once in a while. I'm in a backwater of the data world: I can get about 3000 bytes per second on a dialup connection ...
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4
answers
5k
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What is the exact meaning of the QuickSFV comments at the end of an SFV file?
What are the QuickSFV comments at the end of an SFV file based on?
25-Monty_Python-The_End-EOS.mp3 D387716E
;Q1-1c11727069c13b6
;Q1-///4AA==
In version 2 it had a line more:
cowiso-xvid-yrrol.part48....
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1
answer
239
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How could I fix this CRC error?
How can I solve this CRC data error?
0
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1
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5k
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Unable to format 64gb RAW SD card Cyclic Redundancy Check error [duplicate]
I recently purchased a new, Silicon Power high-quality micro-SD card. I used it multiple times as a boot disk for my Raspberry Pi, each time I burned a 4gb disk image and installed the OS, then ...
1
vote
1
answer
2k
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add hash to a file using command line
I am writing a Windows batch file to copy a file from my computer to a network location, but before doing this, I need to add a hash for it using the command line. Assuming that my file is named ...
1
vote
1
answer
99
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Why did the designers of IP choose the IP Checksum? [closed]
Why did the designers of IP (and UDP and TCP) choose to use the IP checksum to detect errors rather than a more robust error detection code such as CRC-32?
I previously thought the IP checksum was ...
0
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1
answer
2k
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Actual (current) value of UltraDMA CRC error count (SMART)?
I have some positive counts in UltraDMA CRC error count entry of SMART data on my HDD.
How to know if this value is actual?
It is possible related with bad cable I had previously. Does this counter ...
1
vote
0
answers
1k
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Lenovo IdeaPad y510p, MATSHITA DVD-RAM results CRC error while coping 7GB file from Double Layer DVD
I Have Ideapad y510p with MATSHITA DVD-RAM UJ8DB. While I tring to copy 7GB file do HDD almost in the middle (after 42%) it stucks and after a while it prompt that file can't be copied due to error.
...
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1
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323
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File copy software that first checks for errors and than copies only undamaged files? [closed]
I'm trying to copy files from a damaged HDD to a fine one (both connected via USB 3.0 under Windows 8.1) but I'm having a hard time since it's more than 1TB of data. I'm using robocopy with r:0 and w:...
3
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0
answers
7k
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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 ...
9
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1
answer
7k
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Does Windows calculate CRCs to check every file operation?
When Windows encounters a file corruption on a file system, it may return the following error message:
Data error (cyclic redundancy check).
This suggests Windows checks every file operation (copy,...
2
votes
3
answers
13k
views
Uncompressing a ZIP file despite CRC errors
I have downloaded a multipart ZIP archive. It contains a video file.
Unfortunately, IZarc reports a CRC check fail when extracting the archive. Downloading the archive again is a long task, since I ...
0
votes
1
answer
518
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Can setting the executable flag on an installation script lead to CRC check failure?
Recenty I have installed the VMWare Workstation for Linux on my Ubuntu machine and in the process of installation I have ran into a peculiar problem. The installer itself is some kind of archive that ...
32
votes
2
answers
24k
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How is it possible that WinRAR can repair any volume with one .rev file?
I just learned about .rev files with WinRAR -- where if you have a 10-part RAR volume, for example, plus one .rev (recovery) volume -- the .rev volume will be able to "fix" any one corrupted .rar ...
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vote
1
answer
155
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File extraction errors
I have a gigabyte 970 motherboard. A 64 gb SSD, a 1tb HDD and an AMD fx6200 CPU. Graphics AMD Radeon hd 6870. 8 gb ram. Nothing is overclocked, everything is stock. So I downloaded a few large ...
3
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1
answer
4k
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Any way to recover a file with bad blocks (CRC error in Windows)?
What I see is this:
Windows complains when reading a file because the CRC for it mis-matches its calculated CRC.
This means NTFS has a CRC for the file.
I expect the offending block/sector can be ...
0
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1
answer
867
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CRC Keeps Changing
I have a multi-file RAR archive with an SFV file which I have checked several times using a couple of different programs (QuickSFV and SFV Checker) and both keep changing their report each time I run ...
1
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4
answers
8k
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How to fix CRC errors on external hard drive
I was transferring a 2 GB file from my desktop to an external hard drive. But I accidentally restarted the computer. Now I'm getting CRC errors, and I can't access what's on the hard drive. ...
0
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1
answer
1k
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Calculate SHA1 of CD-ROM on MacOS X
How do you calculate the sha1 of a CD-ROM disc under MacOS X?
On Linux (RedHat) I use sha1sum /dev/cdrom.
How do I do the same thing on Mac using openssl sha1?
0
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1
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2k
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Windows 7 copy files dialog - option to replace on CRC mismatch?
Started using 7 : nice of them to ask me if I want my files to be replaced/skipped/renamed but very poor implementation : is there a way to tell windows to immediately replace files on CRC match and ...
0
votes
1
answer
631
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CRC error when extracting to SSD from 2nd HDD
I have a large RAR file (split up) containing an ISO on my 2nd HDD
When I extract it:
to the same HDD, it's OK
to the system/OS SSD, I get CRC errors
I've checked memory, run memtests, checked ...
1
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0
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51
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files that cannot be transfered from dvd to removable drive
what is the solution if there is always an error while transferring a file->data error:crc
I tried to play the video file which cannot be transferred and it can be played from the dvd but when I try ...
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3
answers
7k
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Force copy files off CRC error filled hard drive
So I have a dying Western Digital hard drive and I have a new Western Digital hard drive that I want to transfer all the data to. I have the new HDD hooked up by a SATA to USB adapter. I want to ...