Fix PowerShell Service Unavailable Error During SFC Scan
You try to run sfc /scannow in PowerShell and get an error like "Service unavailable...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix 'Access Denied' When Running Commands on a Locked File
When you see Access is denied or Permission denied in Command Prompt wh...
Fix 'Module Not Found' Error in Command Prompt on Windows 10
When you run a command in Command Prompt and see 'module not found', it usually means the system ...
Outlook Not Receiving Emails from Specific Sender: Fixes
If Outlook is not receiving emails from a specific sender while other emails come through fine, t...
How to Enable Windows Defender on Windows 11
If you've noticed Windows Security is off or grayed out, you may need to re-enable Windows Defend...
Fix 'Security Module Not Found' in Windows Defender
If you see a message in Windows Security that says something like "Security module not found" or ...
Topic paths
Quick titles
OneDrive Stuck Syncing? Rate Limit FixesWindows Update Error: Authentication Failed or Password Incorrect FixMicrosoft Teams Connectivity Troubleshooting GuideHow to Fix Command Prompt SSL Certificate ErrorHow to Fix PowerShell Service Unavailable Permission DeniedHow to Fix Windows Defender Rate Limit Exceeded ErrorNginx Permission Denied Error Fix GuideTask Scheduler Not Running at Scheduled Time: Fix