
Microsoft Store High CPU Usage: Troubleshooting Checklist
You open Task Manager and see Microsoft Store eating 20-30% CPU, fan spinning up, system sluggish...
Software troubleshooting desk

You open Task Manager and see Microsoft Store eating 20-30% CPU, fan spinning up, system sluggish...

If you're stuck at the Windows sign-in screen with an activation prompt that won't go away, you'r...

If Microsoft Teams shows a blank or black screen on startup or during a call, hardware accelerati...

You may see an error saying "Windows Defender authentication failed" after applying a Group Polic...

If Outlook is using 30% or more CPU for extended periods, your system slows down and battery drai...

You open Task Manager and see Command Prompt (cmd.exe) using a lot of CPU – sometimes 30% or more...