Fix Command Prompt Service Unavailable on Windows 11
When you try to open Command Prompt on Windows 11 and see 'Service unavailable' or a blank window...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Remote Desktop Proxy Connection Timeout
You try to connect to a remote desktop through a proxy, but after a long wait you get a timeout e...
Fix Command Prompt Auto Start Not Working in Windows 11
You set Command Prompt to run automatically via Startup folder, Task Scheduler, or Registry – but...
Windows Activation Troubleshooting Checklist: Step by Step
Windows activation errors can appear suddenly—often after a hardware change, update, or network d...
Fix BitLocker 502 Bad Gateway Network Error
If you see a 502 Bad Gateway error when BitLocker tries to contact a network unl...
Windows Security App Missing in Windows 11: How to Restore It
If you open Start and type 'Windows Security' but nothing appears, or you get an error when tryin...
Issue queue
SitemapFix Microsoft Store Token Expired After Password Change
OBS Virtual Camera Missing Windows 10 Fix
Outlook 404 Not Found Error: Practical Troubleshooting Checklist
Outlook Running Slow? Try These 6 Fixes
BitLocker Login Loop Fix No Recovery Key
Troubleshoot Certbot Renewal Failure with Error Codes
Fix Teams Dependency Conflict Sync Errors
Fix Windows Defender Version Mismatch Error
Chrome Error 0x80004005: Migration Fixes
Resolve Chrome Profile Connection Timeout
Troubleshoot Slow PC Due to Activation Issues
Fix Microsoft Store Version Mismatch Permission Denied Error
OBS Virtual Camera Missing Windows 10 Fix
Outlook 404 Not Found Error: Practical Troubleshooting Checklist
Outlook Running Slow? Try These 6 Fixes
BitLocker Login Loop Fix No Recovery Key
Troubleshoot Certbot Renewal Failure with Error Codes
Fix Teams Dependency Conflict Sync Errors
Fix Windows Defender Version Mismatch Error
Chrome Error 0x80004005: Migration Fixes
Resolve Chrome Profile Connection Timeout
Troubleshoot Slow PC Due to Activation Issues
Fix Microsoft Store Version Mismatch Permission Denied Error