Maleko Posted December 26, 2006 Share Posted December 26, 2006 When I do a windows update, and it scans my comp for needed updates, my svchost.exe goes upto 100% CPU usage!I have never seen this before, and never seen svchost do this on windows update.Any ideas? Link to comment Share on other sites More sharing options...
Jeremy Posted December 26, 2006 Share Posted December 26, 2006 Use Dial-A-Fix to "Fix Windows Updates" and see if that works. There's lots of information on Google about this as well as MSFN, as it's not the first time someone has asked about this. Link to comment Share on other sites More sharing options...
Camarade_Tux Posted December 26, 2006 Share Posted December 26, 2006 WU uses the Automatic Update service which is started with the following command:C:\WINDOWS\system32\svchost.exe -k netsvcsHere you go. Link to comment Share on other sites More sharing options...
LLXX Posted December 27, 2006 Share Posted December 27, 2006 What'd you expect, 0%?I mean, it's doing something, so I wouldn't mind if the CPU usage went up as it was checking.If it stays at 100% and slows down the system afterwards, then it's a problem. Link to comment Share on other sites More sharing options...
Camarade_Tux Posted December 27, 2006 Share Posted December 27, 2006 The scary part is it looks like Blaster. Link to comment Share on other sites More sharing options...
cluberti Posted December 27, 2006 Share Posted December 27, 2006 If you download something like Process Explorer, you can see what system call is using the most CPU time - assuming you've configured your symbol path variable, of course:To use the Microsoft Symbol Server1. Make sure you have installed the latest version of Debugging Tools for Windows.2. Decide where to store the downloaded symbols (the "downstream store"). This can be a local drive or a UNC path. 3. Set the debugger symbol path as follows, substituting your downstream store path for DownstreamStore.SRV*DownstreamStore*http://msdl.microsoft.com/download/symbolsFor example, to download symbols to c:\websymbols, you would add the following to your symbol path:SRV*c:\websymbols*http://msdl.microsoft.com/download/symbols Link to comment Share on other sites More sharing options...
Maleko Posted December 29, 2006 Author Share Posted December 29, 2006 Been doing a lot of searching, found this:http://support.microsoft.com/kb/309615/en-usanyone know of a fix before I have to go through th epain of contacting MS support...which they probably wont help me with as my copy of XP is OEM. Link to comment Share on other sites More sharing options...
enuffsaid Posted December 29, 2006 Share Posted December 29, 2006 I experienced the same problem on all my PCs at home. Every time I'd start up my gaming system and jump right into a game, it would start stuttering like crazy after a short while to the point where the game was unplayable. Five minutes later all would be okay.On my Media system, I'd turn that on, load up a DVD and the first 5 minutes of the DVD were unwatchable due to stuttering.It had gotten to the point where I was really fed up with this and I started investigating. I noticed CPU was at 100% during the "Stuttering" mainly caused by one of the SVCHOST.EXE. I used ProcessExplorer and found the culprit to be "Automatic Updates."I have since then disabled automatic updates on all my systems. To the guy that said "what did you expect, 0%?" Why does a process have to take up 100% the first 5 minutes at the power on. Why didn't M$ give this service a lower priority? I mean, it's rediculous... You boot up your PC to "quickly" do something. Next thing you know your stuck waiting for for Windows Update to finish.Recently the company I work for moved to SMS2003. Now were experiencing the same issues on a LOT of client PCs. SMS uses Automatic Upates as well to install SMS updates. Some user's can't use there PC's for 2 days after updates have been spread via SMS. The SMS team have tweaked some settings and for most people its okay now, but there's still problems with some PCs having 100% CPU usage.I suggest you disable Automatic Updates service and manually install the updates if you permanently want to get rid of the problem.Good luck,'nuff Link to comment Share on other sites More sharing options...
Camarade_Tux Posted December 29, 2006 Share Posted December 29, 2006 While I agree this is not normal, I have to reply to this:Why didn't M$ give this service a lower priority?In Vista, this service is a delayed service : it starts after the computer has fully booted. Link to comment Share on other sites More sharing options...
glent Posted December 29, 2006 Share Posted December 29, 2006 (edited) Theres a Discussion about this herehttp://www.msfn.org/board/index.php?showtopic=80372andhttp://www.msfn.org/board/index.php?showtopic=82932Personally i have yet to try the patch Edited December 29, 2006 by glent Link to comment Share on other sites More sharing options...
Maleko Posted December 29, 2006 Author Share Posted December 29, 2006 Tried the patch and didnt make any difference!I deceided to leave windows update running, and it did complete....without problems, svchost.exe went through the roof, but stopped wen updats had finsihed scanning...weird. Link to comment Share on other sites More sharing options...
LLXX Posted December 30, 2006 Share Posted December 30, 2006 stopped wen updats had finsihed scanningNothing to worry about. Link to comment Share on other sites More sharing options...
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