ATIH 2012 Build 7133; Files CAN be restored but is it still corrupted?
I get an occasional, irritating, message "The backup is corrupted" when validating a full backup of my whole primary disk (not sector-by-sector).
Previously I have wasted hours deleting, first of all the most recent (of two I keep) and backing up again, only to get the same message of corruption. Then I have deleted BOTH previous copies of my backup (even though the oldest version (I backup the whole disk every week) was validated as being OK) before I get the successful validation.
Today I got the message again that it was corrupted. Having read a few posts on here I saw that sometimes this can be caused by a bug in ATIH - BUT that if one is able to recover (or restore) a couple of files from the 'corrupted' backup, then everything is all right.
I booted from the Acronis Recovery Disc, and successfully recovered two files from the 'corrupted' backup. Can I rest assured that my backup is, in fact, error-free and dependable?
Thank you.

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Thanks very much for replying tuttle. What I did to try and save a bit of time was to delete the 'corrupted' backup from my ext HD, and then try backing it up again. And once again this worked! Backup was validated.
Am I wrong in thinking that if it usually validates OK (as it does) there is not likely to be much, or anything, wrong with my hardware? I swear that the connection was fine, and while it is backing up I avoid using the computer until it's finished.
I alternate with two 1TB ext HDs every week, and it averages out that one of the two gets a 'corrupted backup' notice roughly once every six months. I just wish that the log file was more specific in nailing the error.
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Buzzard 104 wrote:Am I wrong in thinking that if it usually validates OK (as it does) there is not likely to be much, or anything, wrong with my hardware?
That's not a safe assumption. The first backup could have written to bad HD sectors, while the second may have used different sectors. Run the tests I mentioned, and observe the caveats I gave.
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Thanks tuttle. I shall work through the various tests over the coming days.
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I ran chkdsk on all the partitions on both internal and both external hard drives and they passed OK.
I didn't do a thorough memtest for two reasons: 1. My computer is not out of use for long enough to have it incapacitated for hours and hours on end! 2. In the near future I intend to upgrade my mobo, CPU, GPU and RAM (up to 8 GB) anyway - although I will be using the same hard drives.
I have completed four weekly full backups now since my last comment without further mishap (or validation error), so I'm hoping it will now behave itself!
Thanks for your help.
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Tries to restore my Windows 7 C:\ with an Acronis True Image 2012 backup.tib, an image of my 2 Partitions. Booted with Acronis Rescue disk. Chose a backup on my WD "Elements." an external flash drive, and got message "files corrupted" and backup failed to proceed. Learned later that I should have validated before attempting to restore because validation after backup (which I had done), may not apply when restoring !. Two other backups on the same flash drive proceeded but aborted with same message. An older backup on a WD Passport was successfully restored.
The initial error message also stated that I could attempt to mount the image. I did check the Flash drive for errors and fragmentation and there were none.
Today I mounted the previously allegedly "corrupted" backup and could see all my files.
1. Does that mean that had I validated first during the restore process the backup would have succeeded ?
2. Could I have mounted the image during the recovery attempt, and then restored it ? If so, how ?
Thank you.
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