Fix Windows Defender Token Expired in Safe Mode
If you see a 'token expired' message when trying to run Windows Defender in Safe Mode, it usually...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix 'PowerShell Not Recognized as Internal or External Command'
If you see the error 'powershell' is not recognized as an internal or external command
Fix Windows Activation Error 0x8007232b on Mac
If you see error 0x8007232b when trying to activate Windows on your Mac (via Boot Camp or a virtu...
Windows Defender Troubleshooting Guide for IT Admins
Windows Defender (Microsoft Defender Antivirus) is the default endpoint protection in Windows 10 ...
Fix Microsoft Store Not Opening After Offline Installer
If you've installed an offline version of the Microsoft Store (for example, on a PC without inter...
Fix Windows Terminal Loading Forever Error
If Windows Terminal shows a blank window or a spinning circle that never finishes loading, you're...
Topic paths
Quick titles
How to Clear PowerShell Cache CompletelyFix BitLocker Auto Unlock Not Working After UpdateResolve Outlook 'Permission Denied' When Opening FilesTroubleshoot Windows Activation Blank Screen in Safe ModeWindows Search Broken After Update: Fixes That WorkFix Microsoft Teams Token Expired ErrorPermission Denied Microsoft Store UpdateFix Outlook Web App 404 Not Found Error