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RE: svchost.exe 100% CPU on startup
Click Start->Run, type "services.msc" (without quotation marks) in the
open box and click OK.
Double click the service "Automatic Updates".
Click on the Log On tab, ensure the option "Local System account"
is selected and the option "Allow service to interact with desktop" is
unchecked.
Check if this service has been enabled on the listed Hardware Profile. If
not, click the Enable button to enable it.
Click on the tab "General"; make sure the "Startup Type" is "Automatic".
Then click the button "Start" under "Service Status" to start the
service.
Repeat the above steps with the other service: Background Intelligent
Transfer Service (BITS).
Click Start->Run, type "REGSVR32 WUAPI.DLL" (without quotation marks) and
press Enter.
Repeat 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
Next, follow these steps:
1. Disconnect the Internet Connection from the system tower.
2. Restart the computer and keep tapping F1 key. Select Safe Mode and hit enter.
3. Click Start, Run, type: cmd and press Enter. Run the following command in the opened window:
net stop WuAuServ
(note, you might need to reboot before the net stop command will work)
4. Click Start, Run, type: %windir% and press Enter.
5. In the opened folder, rename the folder SoftwareDistribution to SDold.
6. Click Start, Run, type: cmd and press Enter. Run the following command in the opened window:
net start WuAuServ
Restart the PC and the issue should be resolved.
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