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 listFix Windows Defender Update Error 0x800f0906
When Windows Defender tries to update, you might see error 0x800f0906. This usually points to mis...
How to Fix Remote Desktop 'Connection Refused' or 'Permission Denied'
You open Remote Desktop, enter the computer name, and get either "Connection refused"
Fixing 'Access Denied' Errors When Running PowerShell Scripts
If you see an 'Access Denied' error when trying to run a PowerShell script, it's usually not a pe...
Fix Windows Update Error 0x80070005 (Access Denied)
When Windows Update fails with error code 0x80070005, it usually means the update service lacks n...
Fix Windows Terminal Blank Tab on New Tab
You open a new tab in Windows Terminal and see nothing — just a blank, unresponsive window. This ...
Topic paths
Quick titles
Fix Windows Activation Login Loop After ResetFix Windows Update Login Loop with Account Sync IssuesFix OneDrive Folder Disappeared After SyncTroubleshooting Slow PowerShell LaunchWindows Task Scheduler Setup ChecklistMicrosoft Teams High RAM Usage Fix M1 MacResolve Command Prompt Log File Permission Denied ErrorClear Microsoft Teams Cache on Mac: Step-by-Step