svchost.exe -k UnistackSvcGroup CPU Usage in High On Windows 11

Disable Automatic Updates for Apps

Go to Microsoft Store and disable automatic update

Stop Service using Registry Editor

navigate to this location


Find and double click Start entry from the right pane

You will see a new Windows and it must have 3 in its value data section. The 3 here means that the service is manual.

Then, you have to change this value to 4 to solve the issue as “4: means this service is turned off.

Remove Contents of UnistoreDB Folder

navigate here


and delete all files there.