Usually, the culprits are these two processes: Service Host Local Service and Service Host Internet Connection Sharing.

The reasons why your PC shows a high CPU usage are complex and range from update issues to corrupted files. Since this problem occurs shortly after you installed Windows 10 v1709 on your device, chances are that Windows Update got stuck when downloading an update.

How to fix Service Host high CPU usage

1. Run the System File Checker

The System File Checker can quickly detect and repair corrupted files that may have caused the issue. Here’s how to run an SFC scan:

  1. Wait for the scanning process to complete and then restart your computer. All corrupted files will be replaced on reboot. You can also use a dedicated tool, such as CCleaner, Advanced SystemCare, etc. Don’t forget to first backup your registry in case anything goes wrong.

2. Refresh DISM

If the first solution didn’t fix the proble, you can use Microsoft’s Deployment Image Servicing and Management tool.

DISM.exe /Online /Cleanup-image /Restorehealth DISM.exe /Online /Cleanup-Image /RestoreHealth /Source:C:RepairSourceWindows /LimitAccess sfc /scannow  Don’t forget to replace the “C:RepairSourceWindows” placeholder with the location of your repair source.

Check if the issue persists. If this is the case, go to the next solution.

3. Perform a network reset

Many users reported that sometimes the first two solutions only solve this issue temporarily. Fortunately, one resourceful Windows 10 user found a permanent fix and listed the troubleshooting steps on Microsoft’s forum: There you go, we hope that the solutions listed above helped you fix Service Host high CPU usage.

4. Roll back to previous iteration of Windows 10

You can also, if necessary, roll back to previous version of Windows 10. Here’s how to do it: Have in mind that this procedure will delete your applications, which might be a problem for some. As always, if you found other workarounds to fix this problem, you can help the Windows community by listing the troubleshooting steps in the comments below. RELATED STORIES TO CHECK OUT:

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