SCCM 2012 The download failed content does not match source

Hi,
I am in the process of deploying CU 5 for SCCM 2012 SP1.

The update has been deployed to all of my DPs

When the Software Distribution task runs, it works on about 90% of my machines, but some machines report Error 10057,

The program for deployment "SCM20009 has failed because download of the content "SCM00010" - "Cumulative update 5 - x64 client update install" has failed. The download failed because the content downloaded to the client does not match the content specified in the content source. Possible causes: The content on the distribution point has been manually modified, or a local administrator on the computer has modified the content in the computer's hash. Solution: Refresh the content on the distribution point and retry the download.

It's strange as most of the machines work fine.

It looks like the content is being down loaded, but then when the hash is run it's invalid.

I am wondering if local AV is doing this?
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Steven WellsSystems AdministratorAsked:
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LeoConnect With a Mentor Commented:
good to know :-)
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Steven WellsSystems AdministratorAuthor Commented:
Hi Yes, we did, however that doesn't exists in AD anymore as a management point.

I get the same behavior from clients across all different sites too, not just one.
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LeoCommented:
ok, I had the same issue, and i had to turn off that server on which it was previously installed, tested it and i didnt receive any errors.,
do you have an option of turning the server off (on which the older version was installed) after hours to do a test?
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Steven WellsSystems AdministratorAuthor Commented:
yeah, I am testing manually re-running the advertisement too, which seems to have fixed it for one machine,

Will see how that goes
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Steven WellsSystems AdministratorAuthor Commented:
Looks like I may have solved my problem

I have excluded C:\Windows\SCCMCache from my realtime scanning.

I have pushed out deployment to some more machines and they appear to be OK for now.

Will keep monitoring to see if it occurs again
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Steven WellsSystems AdministratorAuthor Commented:
Adding AV exclusions has fixed error.
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