How to Fix Windows Defender Not Turning On
Windows Defender (now called Microsoft Defender Antivirus) sometimes refuses to turn on or stay o...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listBitLocker Command Not Found: Setup Guide for IT Admins
When you type manage-bde or repair-bde and get "command not found" on W...
Fix Windows Defender Causing Slow Boot Up
If your PC takes longer to start up than it used to, Windows Defender might be scanning too aggre...
Fix Microsoft Teams Dependency Conflict Permission Denied
You try to install or update a Microsoft Teams app or custom bot, and get an error like 'dependen...
Fixing PowerShell Authentication Failures in Active Directory
You're running a PowerShell command against Active Directory and get an authentication failure. T...
Fix Windows Terminal Configuration File Error
When Windows Terminal fails to load or shows an error about its configuration file, the app usual...
Topic paths
Quick titles
Task Scheduler Running Indefinitely: Troubleshooting GuideFix Nginx Sync Permission Denied Between ServersBitLocker Policy Path Missing FixNginx Permission Denied on Upstream Socket FixResolve Chrome Port Allocation ErrorTeams Reset Settings Keep Reverting: Fix ItFix Windows 10 Product Key Not Working After Hardware ChangeHow to Restore Windows Defender Protection History