How to Fix Microsoft Store Error 404 (Not Found)
If you see a 404 error when trying to open an app or page in the Microsoft Store, it usually mean...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Microsoft Teams Auto Start Not Working on Mac
You add Teams to your Mac's login items, but it doesn't launch automatically when you log in. Thi...
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 'Windows Not Genuine' Error After Update
After a Windows update, you might see a message that Windows is not genuine, even though it was a...
Fix Windows Terminal Installation Failed Error
You click install for Windows Terminal and get an error. Maybe it stalls at 0%, rolls back, or sa...
Windows 10 Activation Stuck at 0% Setup: How to Fix
When you try to activate Windows 10, the progress bar may hang at 0% and never move. This usually...
Topic paths
Quick titles
Windows 10 Microsoft Teams Network Issue TroubleshootingFix Outlook Service Unavailable Error: Step-by-Step ChecklistWindows Terminal Setup Checklist for New UsersMake CMD Open Automatically When Windows StartsPowerShell Slow Startup and Command LagHow to Fix Chrome Login Loop Error 0x80070057Fix Microsoft Teams Camera Not Working After UpdateResolve Windows Search Connection Refused via Registry