Questions tagged [crc]

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55 views

Ignoring CRC errors in ZIP and RAR archives under Windows

I have some ZIP and RAR files with corrupt sections in the middle. How can I skip corrupt sections and continue extraction until the end of the archive? Neither WinZIP nor WinRAR can do that. WinRAR ...
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0answers
8 views

crc mismatch at the end but the extractor does'nt show the corrupted part

i have a big file, more than 150 gigabytes. its about 70 parts of 2 gigabyte *.rar files. when i extract them, winrar or 7-zip does'nt show any corrupted file but at the end, it shows crc mismatch. ...
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1answer
21 views

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 ...
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2answers
465 views

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 ...
9
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5answers
5k views

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
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1answer
798 views

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, ...
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0answers
50 views

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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1answer
40 views

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 ...
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1answer
44 views

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 ...
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2answers
7k views

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 ...
0
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1answer
283 views

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 ...
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2answers
2k views

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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1answer
86 views

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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1answer
795 views

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....
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4answers
12k views

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 ...
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1answer
225 views

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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1answer
162 views

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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4answers
4k views

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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1answer
163 views

How could I fix this CRC error?

How can I solve this CRC data error?
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1answer
4k views

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 ...
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1answer
1k views

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
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1answer
71 views

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 ...
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1answer
2k views

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 ...
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0answers
1k views

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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1answer
236 views

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:...
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0answers
6k 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 ...
8
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1answer
5k views

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
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1answer
6k 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 ...
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1answer
506 views

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
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2answers
22k views

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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1answer
149 views

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 ...
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1answer
3k views

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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1answer
706 views

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 ...
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4answers
8k views

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. ...
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1answer
1k views

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?
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1answer
2k views

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 ...
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1answer
520 views

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 ...
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0answers
46 views

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 ...
0
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3answers
6k views

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 ...