SVCHost.exe for WUAUServ takes up 100% CPU on XP SP3

kliler
kliler used Ask the Experts™
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Hi Expert-Exchange,

We have a computer that is having performance issues due to a SVCHost.exe for just the WUAUServ using up all available CPU processing.

We checked the updates in this article but they had already been installed. http://go.microsoft.com/fwlink/?LinkId=86552

Also tried the fix here and it did not resolve the issue http://www.terminally-incoherent.com/blog/2007/05/09/how-to-solve-the-svchostexe-100-cpu-usage-problem/
That was setting the Updates to just do Windows Update instead of Microsoft Update and recreating the Data Store.

Thanks for the help,

Grant
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Michael DyerSenior Systems Support Analyst
Commented:
You may have malware running on that computer.  I would recommend running a utility like  Malwarebytes Anti Rootkit and see what it finds.

http://www.malwarebytes.org/products/mbar/
This is a known issue which does not have a permanent solution yet.

Microsoft never proivded a solid solution for this issue.

However there isa workaround.

The problem is not with SVCHost.exe ( "Service Host") but with the program it try to run:WUAUServ( Windows Automatic Update service).

The workaround is to go to computer management /Services and disable Automatic Updates) and disable the serivce and then ask user to get the latest updates from the windows update icon on the start menu.
Network Administrator
Commented:
Reinstall/Update the Windows Update Agent

http://technet.microsoft.com/en-us/library/bb932139.aspx


Be sure to use the " /quiet /norestart /wuforce" switches

Author

Commented:
Thanks for the suggestions. We ended up not putting any more work into the computer as updates were able to be installed manually.

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