Stand alone windows 7 Microsoft Backup failing

We have a single windows V7 64 bit workstation running Microsoft Backup to an external USB hard drive.

We are now getting problems with this running and the backup fails to complete.

When I look in the event log I see errors which indicate that it cannot find the file webcachev01.dat, and when I navigate to it, sure enough it is not there.

The workstation seems to work OK in every other respect, just not backing up.

We see :-

Event ID 476

 taskhost (2796) WebCacheLocal: The database page read from the file "C:\Users\diane2\AppData\Local\Microsoft\Windows\WebCache\WebCacheV01.dat" at offset 12255232 (0x0000000000bb0000) (database page 373 (0x175)) for 32768 (0x00008000) bytes failed verification because it contains no page data.  The read operation will fail with error -1019 (0xfffffc05).  If this condition persists then please restore the database from a previous backup. This problem is likely due to faulty hardware. Please contact your hardware vendor for further assistance diagnosing the problem.

Then :-

Event ID 4104

The backup was not successful. The error is: "C:\Users\diane\AppData\Local\Microsoft\Windows\WebCache\WebCacheV01.dat" The system cannot find the file specified. (0x80070002).

Can anyone suggest a solution.

Many thanks.
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webcache is how IE10+ stores cookies, etc.  I don't think you need to back it up but if you do, I'd start by excluding that file from the backups to ensure that it completes.  If the backup is then successful further troubleshooting can be done, to include a reinstall or repair of the browser.
nigelbeatsonAuthor Commented:
Thankyou for your reply.

Is the webcache file a hidden / system file, as I could not see it at all.

The shadow copy keeps trying to secure it, so wondered why that might be?

Can you exclude files from a standard microsoft backup? The interface seems rather basic. I will take a look to see.

How can I do a repair if the internet explorer? Is there a packet to download that will do this, or some kind of repair tool?

Many thanks for your help.
It is a hidden and protected file.  You can change the folder settings to allow you to see it but it is not necessary as you cannot do anything with it.



In the backup, when you select, "what to backup" if you select the "let me choose" option, you can select the files and folders you want backed up.  Under the "computer" heading you can select everything on the C: drive and then dive down and deselect the webcache folder which contains that file.

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nigelbeatsonAuthor Commented:
Many thanks

If this works, are we ok to continue with this, or so we need this file securing? Ie us there further work required to identify why this file will not backup.

Do we need it?

Many thanks
It is a new MS design for the cookies and temporary web files.  I don't think that it is necessary to back up, but I don't know your environment.  But to answer your question more directly using me as an example; do I back it up?  No I don't.
nigelbeatsonAuthor Commented:
Ok - I have excluded the file from the backup and the backup completed.

The problem is that there does not seem to be a way to save this configuration with the file excluded.

The user is not going to want to delve down into the depths of the file structure each time, so I would prefer to fix it.

I don't really need this info stored in the webcache file, so if anyone can advise on how to permanently save this exclusion, or better still what I need to do to resolve the problem with the file, that would be great.

I presume this file should backup ok, so what's needed to fix it?

Any suggestions welcomed.

Many thanks

If you schedule that job to run weekly or on whatever schedule you want, it will save that setting.  if you only run once you are correct.
nigelbeatsonAuthor Commented:
That got us able to do a backup. Thanks.

I ran scandisk which found and fixed the error with the file in question, and we can now backup without having to wary obout file selection.
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