Fix Windows Defender Service Not Starting (Error 0x80070422)
You try to start Windows Defender but get error 0x80070422: “The service cannot be started, eithe...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix OneDrive Login Loop with Permission Denied Error
If OneDrive keeps asking you to sign in repeatedly, or you see a "permission denied" message when...
Fix OneDrive 404 Not Found & File Access Denied Errors
You try to open a file in OneDrive and see a 404 Not Found message, or you get an Access Denied e...
How to Fix Microsoft Store Stuck on Loading Screen by Resetting Settings
If the Microsoft Store app stays on a blank or spinning loading screen and never shows content, i...
Chrome Profile Not Opening: Practical Fixes
You click Chrome and nothing happens, or you see an error about your profile not opening. This us...
Fix Windows Store Error 0x80073cf9: Clear Cache & Repair
You try to install or update an app from the Microsoft Store, and you get error 0x80073cf9. Usual...
Topic paths
Quick titles
Troubleshoot Slow Commands in CMDTeams 404 Error Troubleshooting GuideOneDrive Network Error Troubleshooting GuideHow to Fix Permission Denied in Windows TerminalHow to Fix Gradle SSL Handshake ErrorHow to Fix Activation Failure and Command Line ToolWindows Search 504 Error After UpdateGreyed Out Search Options in Windows