Command Prompt Service Unavailable: Troubleshooting Checklist
When you open Command Prompt and see 'Service unavailable' or 'The requested service is not avail...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listMicrosoft Teams Update Stuck on Downloading: Fixes That Work
You're trying to open Teams, and it's been stuck on "Downloading update..." for ten minutes. The ...
Fix OneDrive Sync Permission Denied & Connection Refused
You're working and OneDrive stops syncing, showing "Permission Denied" or "Connection Refused." T...
PowerShell Not Opening on Windows 10: Quick Fixes
If PowerShell won't open on Windows 10—no window appears, it flashes and closes, or you get an er...
Fix Windows Security Blank Screen in Safe Mode
If you boot into Safe Mode and open Windows Security only to see a blank white or gray screen, yo...
Fix Windows Activation Error After Hardware Change
If you've recently replaced your motherboard, CPU, or other major hardware, you may see a Windows...
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