Fix PowerShell Service Unavailable Error on Windows
You're running a PowerShell command and get a red error: "Service unavailable". ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Run Command Prompt as Administrator for Setup Tasks
Many setup tasks—installing software, configuring system services, or modifying protected files—r...
Fix Windows 10 Activation Error 0x803fa067
You see error 0x803fa067 when trying to activate Windows 10. It usually means the activation serv...
Windows Defender 502 Bad Gateway: Troubleshooting Checklist
If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...
Fix BitLocker 'Permission Denied' Errors with Best Settings
When BitLocker Drive Encryption shows a 'permission denied' error, it usually means the system ca...
Fix Windows Security Auto Start Registry Settings
If Windows Security (formerly Windows Defender) isn't starting automatically when you boot your P...
Topic paths
Quick titles
OneDrive 0x8004de40 Fix: Credentials and Reset GuideResolve Rust Cargo Linker Not Found ErrorHow to Fix PowerShell Not Recognized ErrorFix PowerShell Startup Script Not RunningFix Microsoft Teams Port Already Allocated Error Code 4Fix Windows Activation Dependency ConflictsUbuntu on Windows Terminal Permission Denied TroubleshootingWindows Security Not Working? Fix Common Problems