UFW Allow Port Range Not Opening: Fixes and Checks
If you've added a UFW rule to allow a range of ports but connections are still being blocked, the...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Search Indexing Service Won't Start
You open Task Manager or Services and see that the Windows Search service is stopped. When you tr...
Fix Windows Security Network Error After Update
After a Windows update, you might see a network error in Windows Security, often with a message l...
Fix Chrome 504 Gateway Timeout When Using a VPN
You're browsing with a VPN active, and Chrome suddenly shows a 504 Gateway Timeout
Fix PowerShell Blank Screen with No Cursor
If you open PowerShell and see only a blank window with no cursor (no blinking line), the console...
Task Scheduler 502 Bad Gateway: Causes and Fixes
If you see a 502 Bad Gateway error when running a scheduled task that calls a web service or API,...
Issue queue
SitemapResolve Windows Security Configuration Problems
Fix PowerShell 404 Error When Using Invoke-WebRequest
Remote Desktop Reset Not Working – Fixes
Troubleshooting Windows Certificate Error 0x800b0109
Manual Repair for Invalid Outlook Settings
Fix Command Prompt Slow to Open: Practical Steps
How to Resolve 502 Error in Windows Terminal
How to Fix Windows Security Log 'Permission Denied' Error
Ping Returns Connection Refused: Causes and Fixes
Task Scheduler Permission Denied Port Conflict Guide
Fix OBS Black Screen with Elgato Capture Card
How to Fix npm ERR! code ERESOLVE in React Projects
Fix PowerShell 404 Error When Using Invoke-WebRequest
Remote Desktop Reset Not Working – Fixes
Troubleshooting Windows Certificate Error 0x800b0109
Manual Repair for Invalid Outlook Settings
Fix Command Prompt Slow to Open: Practical Steps
How to Resolve 502 Error in Windows Terminal
How to Fix Windows Security Log 'Permission Denied' Error
Ping Returns Connection Refused: Causes and Fixes
Task Scheduler Permission Denied Port Conflict Guide
Fix OBS Black Screen with Elgato Capture Card
How to Fix npm ERR! code ERESOLVE in React Projects