If you see svchost high cpu xp this guide should help.
What If Windows Update Is Causing High CPU Usage?
For reference, it is not uncommon for svchost.exe to run for hours at 100%, 50%, or 25% CPU utilization as this host process is usually associated with the Windows Update service. In this case, you must let the process run until the task is complete.This is especially true for Windows 7 because there is literallyHundreds of updates to download after reinstalling Windows.
So, if you’ve been running the svchost.exe process (which is associated with Windows Update) for 2-4 hours and nothing has changed, it might be a faulty Windows Update service. This is a very common and confusing problem even after reinstalling Windows. In this case, I suggest you refer to myThe Windows Update article will not be updated to provide a possible solution. If you are really stuck with this problem you canContact me for more help.
Fix High CPU Usage SVCHOST
Now that you have figured out which process is using your entire processor, we can move on to fixproblems. If you have determined that it is not a Windows process such as B. Windows Update or Windows Firewall, etc., just end the process and uninstall the program.
However, in most cases, this issue is related to the Windows process. In this case, it is best to get the latest updates from the Microsoft website. If you normally cannot do this on Windows, restart your computer in Safe Mode and try again.
If you can access the Services tab as described above, right-click the service and select Disable. Even if it’s Windows Update or Firewall, don’t worry, you can turn it back on later. Then restart your computer, go to the Microsoft website and manually download the updates. Reactivate the service and restart your computer. I hope everything works out!
To disable a service on Windows, right-click it in the Services tab and select Properties.
Then select Disabled from the Startup Type dropdown in the middle of the dialog :
I went through this process several times and it worked for me. So first disable the service, restart your computer, then install updates manually, re-enable the service, and restart your computer. If that doesn’t work, you’ll need to perform a Windows repair install. Search Google for the recovery installation and follow the instructions. If you are using Windows 8, you can update your computer. If you have any questions, please leave a comment. Enjoy!