One of mine did and this helped.
Essentially, the temporary workaround is:Much as I hate to disable it, that machine was nearly unusable due to thrashing until I did.Turn off Microsoft Updates - Leave Windows Updates [and Automatic updating] on
visit http://update.microsoft.com/microsoftupdate
click Change Settings on the left
Scroll down and check Disable Microsoft Update
Hopefully Microsoft will fix this so I can turn it back on.
This seems to be affecting only systems with 512 MB of RAM or less. The wuauclt.exe process associated with Microsoft Update was causing excessive page faults.
Hope this helps others.
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