How to Fix Windows Defender Service Not Running
If you see a message that Windows Defender is not running or the security center shows it's off, ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Activation Error 504 Caused by Firewall Settings
You try to activate Windows and get error 504. This often means your firewall is blocking communi...
Fix Windows Activation Token Expired Despite Internet Connection
You see a message that your Windows activation token has expired, even though you're connected to...
Windows Terminal Command Not Found: Troubleshooting Checklist
You type a command in Windows Terminal and get 'commandname' is not recognized as an intern...
Fix Office 365 Token Expired Error in CMD
When you run Office 365 commands in Command Prompt (CMD), you may see a token expired
Fix Microsoft Store Invalid Configuration Error on Windows 11
You open Microsoft Store on Windows 11 and see an error saying 'Invalid configuration' or 'Someth...
Topic paths
Quick titles
How to Fix Windows Defender Error 404Rate Limit Error in Windows Security AppTroubleshooting Docker Container Restart LoopsResolve PowerShell Module Load Failure After Path ChangeHow to Fix Microsoft Store Error 0x80072f0dWindows Search Not Working? Use This ChecklistTroubleshoot Windows Activation Auto Launch FailureHow to Fix 502 Bad Gateway in Windows Terminal