Fix 'Service Unavailable' for PowerShell on Windows 10
You open PowerShell on Windows 10 and see an error like "Service Unavailable" or "PowerShell is n...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Update Stuck at Blank Screen During Automatic Repair
You're running Windows Update, and after a restart, the screen goes blank—no cursor, no logo, jus...
Fix Windows Defender Error 0x80073b01 (Crash on Startup)
If Windows Defender crashes on startup with error code 0x80073b01, the antivirus service may be f...
Windows Search Backup Restore: Setup and Troubleshooting Guide
If you've customized Windows Search indexing settings — like adding specific folders or excluding...
Fix PowerShell Blank Screen on Windows 11
If you open PowerShell on Windows 11 and see nothing but a blank window—no prompt, no text—the sh...
How to Reinstall the Windows Security App (Microsoft Defender)
If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...
Topic paths
Quick titles
Ubuntu VS Code Terminal Permission Denied TroubleshootingResolve Windows Product Key Not Found Activation ErrorTroubleshooting OneDrive Sync Error 0x8004def5Remote Desktop Troubleshooting Checklist for AdminsBitLocker Port Allocation Error Fix ChecklistFix Outlook Module Not Found Configuration ErrorHow to Fix Microsoft Teams Cannot Connect ErrorHow to Enable Network Protection via Group Policy in Enterprise