The following is a related forum about the WinGet COM Server high CPU usage issue.
Then, lets see how to fix the WinGet COM Server high CPU usage issue.
Sometimes your CPU is running at 100% and the speed of your machine becomes slow.
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This post will provide 8 solutions for you to fix this issue.
Here is how to do that:
1.
Typemsconfigin theSearchbox and selectSystem Configurationfrom the results.

Go to theServicestab, checkHide all Microsoft services, and then selectDisable all.
Go to theStartuptab, and selectOpen Task Manager.
UnderStartupin Task Manager, choose the item and then selectDisablefor each one.

On theStartuptab of System Configuration, selectOK.
When you restart the computer, its in a clean boot environment.
TypeMicrosoft Storein theSearchbox to open it.

Then, navigate to theLibrarytab.
From the list, find and clickApp Installer.
Finally, click theUpdateoption to install any available updates.
Fix 3: Disable Unnecessary WinGet Sources
1.
Typecmdin the search box on the taskbar, and then right-click theCommand Promptapp and selectRun as administrator.
- key in the following command and pressEnter:
winget source list
3.
Typesfc /scannowcommand in the elevated command prompt.
This process may take you much time to scan, just wait patiently.
Once done, reboot your PC and see if the issue gets fixed.
I believe that one of them can help you fix your issue.