Fix Microsoft Store High CPU Usage & Permission Denied Errors
You launch the Microsoft Store and notice your CPU usage spikes, or you get a 'Permission Denied'...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Security 404 Error & Missing Files
If you see a 404 error in Windows Security or get messages about missing files, the Security Cent...
How to Fix Windows Security Certificate Error Not Trusted
You're browsing or running an app and Windows throws a security warning: the certificate is not t...
Fix Microsoft Store Blank Screen When Opening an App
You launch an app from the Microsoft Store, and instead of the app window, you get a blank screen...
Fix Windows Security Service Failing to Start on Startup
If Windows Security (Windows Defender) fails to start when you boot your PC, you may see a warnin...
Fix 'Permission Denied' Error on Windows Update Migration Folder
After a Windows feature update, you may encounter a 'permission denied' error when trying to acce...
Topic paths
Quick titles
Troubleshoot Windows Update Memory LeakFix Edge Update Failed Error ChecklistBypass PowerShell Execution Policy as Non-AdminFix Microsoft Store Sign-In After Settings ResetWindows Activation Rate Limit Error Fix Without Product KeyFix Store App Dependency Errors After Windows UpdateHow to Fix Access Denied in Windows SecurityHow to Fix Windows Security Service Unavailable Error