Fix WSAPPX high CPU usage in Windows 11
On Windows 11, WSAPPX is a required process that handles removing, installing, and managing apps from the Microsoft Store. But sometimes this important process can run into problems and start using a lot of CPU.
This doesn’t happen very often. This problem, like the Widgets problem with high CPU use, can be fixed, as this guide shows.
Disable WSAPPX in Windows 11
Press Win + X and select Task Manager.
Locate wsappx and right-click on it then select End task.
Disable Windows Store
Press Win + R to open Run dialog.
Type gpedit.msc and press OK.
Navigate to the following file path:
Computer Configuration > Administrative Templates > Windows Components > Store
Double-click the Turn Off the Store application option in the Store folder.
Click Apply and OK.
Scan for malware
Type Virus & Threat Protection in your Windows search bar and select Open.
Press the Quick Scan button.
Once finished, Restart your PC and check if the problem is solved.
Perform a clean boot
Press Windows + R to open Run dialog.
Type msconfig and press OK.
Go to the General tab.
Select the Selective Startup but uncheck Load System Items.
Go to the Services tab.
Select Hide all Microsoft services then click on Disable All.
Click Apply and OK to save changes.