SwiftTec Software Development

SwiftTec FAQ: svchost.exe uses 100% CPU

Problem

When logging into Windows XP one of the svchost.exe processes uses 100% of the CPU. If Windows Automatic updates are disabled the problem goes away.

 

Solution #1

  • Turn off automatic updates
  • reboot
  • manually go to windows updates and install the updates
  • turn on automatic updates
  • reboot.

 

Solution #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)

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. Since 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

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