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100% CPU


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#1
smmalis

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Every so often my computer will start going really slowly. Task Manager shows "System" as hogging the cpu and going up to 99%. If I reboot or press the sleep/wake keys on my keyboard it is only a temporary fix. Any ideas?
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#2
zbd

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This explains some suggestions.

http://forums.pcworl...opic.php?p=6404
http://softwaregadge...4/entry_78.html
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#3
DaveC2003

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1) turn off automatic updates, reboot, then manually go to windows
updates and install the updates, turn on automatic updates, reboot.

or (as in my case)

2) Perform these steps:


1. Click Start->Run, type "services.msc" (without quotation marks) in the
open box and click OK.
2. Double click the service "Automatic Updates".
3. Click on the Log On tab, please ensure the option "Local System account"
is selected and the option "Allow service to interact with desktop" is
unchecked.

4. Check if this service has been enabled on the listed Hardware Profile. If
not, please click the Enable button to enable it.
5. Click on the tab "General "; make sure the "Startup Type" is "Automatic".
Then please click the button "Start" under "Service Status" to start the
service.
6. Repeat the above steps with the other service: Background Intelligent
Transfer Service (BITS)

Step 4: Re-register Windows Update components and Clear the corrupted
Windows Update temp folder

1. Click on Start and then click Run,
2. In the open field type "REGSVR32 WUAPI.DLL" (without quotation marks) and
press Enter.
3. When you receive the "DllRegisterServer in WUAPI.DLL succeeded" message,
click OK.
4. Please repeat these steps for each of the following commands:

REGSVR32 WUAUENG.DLL
REGSVR32 WUAUENG1.DLL
REGSVR32 ATL.DLL
REGSVR32 WUCLTUI.DLL
REGSVR32 WUPS.DLL
REGSVR32 WUPS2.DLL
REGSVR32 WUWEB.DLL

After the above steps are finished. Sicne temporary folder of Windows Update
may be corrupted. We can refer to the following steps to rename this folder
that

1. Click Start, Run, type: cmd and press Enter. Please run the following
command in the opened window.

net stop WuAuServ
(note, you might need to reboot before the net stop command will work)

2. Click Start, Run, type: %windir% and press Enter.
3. In the opened folder, rename the folder SoftwareDistribution to SDold.
4. Click Start, Run, type: cmd and press Enter. Please run the following
command in the opened window.

net start WuAuServ



Hope this helps,
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#4
smmalis

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I installed process tamer and did what you suggested Dave. Since I can't make this happen on demand we will just have to wait and see what happens.
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#5
smmalis

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It is still happening, any other ideas?
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#6
Whiskeyman

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Download Process Explorer. When the problem occurs open Process Explorer and hover your cursor over the process under System that is using the CPU. You will be able to see what applications are running. Post them.
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#7
smmalis

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There is no process under System using any CPU, its just System using 100% cpu. I can't do anything while this is happening too. Programs just dont start up. PLEASE HELP!!!!!

Edited by smmalis, 19 April 2007 - 09:38 AM.

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#8
smmalis

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I gave up and reformatted with Vista, thanks anyways.
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