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-   Windows NT / 2000 / XP (http://www.daniweb.com/forums/forum10.html)
-   -   svchost.exe using 100% cpu! (http://www.daniweb.com/forums/thread82.html)

stewferg Sep 29th, 2008 2:16 am
Re: svchost.exe using 100% cpu!
 
Hi,
I've also been struggling with the problem of SVCHOST usurping 100% of my CPU - I tried many of the typical listed solutions like disabling windows update etc, installing the microsoft fix etc, all to no avail. However, I just found the culprit process that was responsible - it was none other than DNSCACHE !
First, you need to know the Process ID (PID) of the troublesome process - this is done using good ol' Task Manager (assuming you have already enabled the PID column from 'view columns' from the "view/select columns" menu bar, whilst on the PROCESSES Tab)

Using the command "Tasklist /SVC" from CMD Prompt, I was able to match the PID of the problem SVCHOST process to object that was using it - in my case, it was DNSCACHE. What I guess was occurring was that after every start-up, when trying to connect to internet, DNSCACHE 1st wanted to update - this could take quite some time in some instances, and as I've discovered, was completely un-neccessary. The fix was to STOP the DNSCACHE service, then set it to DISABLED, all within LOCAL SERVICES. Problem is now gone, and internet access is fully functional. Hope this is of some help to others with similar problem.

chudik Apr 23rd, 2009 2:09 pm
Re: svchost.exe using 100% cpu!
 
Hi
I found this solution and it worked for me.
Hope it''ll help you .

•Visit the Microsoft website and Download Windows Update v3 WindowsUpdateAgent30-x86.exe and save it to your C:\ drive
•Download this file fix_svchost.bat (right click and choose save as..) and save it to your C:\ drive
•Download this file WindowsXP-KB927891.exe (right click and choose save as..) and save it to your C:\ drive
•Reboot the computer and log in to Windows XP in safe mode. To do this, press F8 just before the WindowsXP logo shows up during boot and press up to choose “Safe Mode”
•Once Windows has loaded and you have the option of which user account to use, log on as “Administrator”.
•Click Start > Run, choose the Browse button and find the fix_svchost.bat file you saved before, press Open, then OK.
•A black screen will pop up and white text will scroll past. Wait for this process to finish as it could take several minutes. It will close itself when its finished.
•Once the black screen disappears, Click Start > Run, choose the Browse button and find the WindowsUpdateAgent30-x86.exe file you saved before, press Open, then OK. Follow the prompts as it installs.
•When Windows Update Agent finishes installing, Click Start > Run, choose the Browse button and find the WindowsXP-KB927891.exe file you saved before, press Open, then OK. Follow the prompts as it installs.
•Reboot the computer

PC Support Apr 23rd, 2009 8:51 pm
Re: svchost.exe using 100% cpu!
 
Normal this is caused by a virus or spyware problem. I would recommend running an antivirus software in safe mode and seem whats comes up. Also if you attach a hijackthis log we might be able to help you more.

<a href="www.SandiegoPcSupport.com">www.SandiegoPcSupport.com</a>

RRC Senior Jun 5th, 2009 7:35 pm
Re: svchost.exe using 100% cpu!
 
Quote:
Originally Posted by Jason (Post 660)
Hi,
Anyone know about the svchost.exe problem in wich the proces svchost.exe uses 100% of the cpu? :'( Ending this process leads to sound failures, automatic reboots etc. :(
Not ending it leaves the comp slow ofcourse. Comp worked fine before. This svchost.exe problem showed up out of nowhere and now I don't know how to stop it from using my entire cpu. Anyone have any idea? :-\ Thanx.

Use this fix for home computers and/or home networks only:

Go to Control Panel/Administrative Tools/Services and then highlight the DNS Client - Right Click and "Disable" this service. All should be well.

RRC Senior Jun 5th, 2009 7:40 pm
Re: svchost.exe using 100% cpu!
 
Quote:
Originally Posted by stewferg (Post 701045)
Hi,
I've also been struggling with the problem of SVCHOST usurping 100% of my CPU - I tried many of the typical listed solutions like disabling windows update etc, installing the microsoft fix etc, all to no avail. However, I just found the culprit process that was responsible - it was none other than DNSCACHE !
First, you need to know the Process ID (PID) of the troublesome process - this is done using good ol' Task Manager (assuming you have already enabled the PID column from 'view columns' from the "view/select columns" menu bar, whilst on the PROCESSES Tab)

Using the command "Tasklist /SVC" from CMD Prompt, I was able to match the PID of the problem SVCHOST process to object that was using it - in my case, it was DNSCACHE. What I guess was occurring was that after every start-up, when trying to connect to internet, DNSCACHE 1st wanted to update - this could take quite some time in some instances, and as I've discovered, was completely un-neccessary. The fix was to STOP the DNSCACHE service, then set it to DISABLED, all within LOCAL SERVICES. Problem is now gone, and internet access is fully functional. Hope this is of some help to others with similar problem.
See #54

RRC Senior Jun 5th, 2009 7:41 pm
Re: svchost.exe using 100% cpu!
 
See #54


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