Knowledge base for software setup, errors, and daily tool work.

Fix Chrome Tunnel Connection Failed Error

When you see "Tunnel connection failed" in Chrome, it usually means the browser couldn't establis...

Fix Port Already Allocated Error with netstat

When you try to start a service or application and see "port already allocated" or similar, it me...

Check Which Application Is Using Remote Desktop Port (3389)

When you try to start Remote Desktop and get an error that the port is already in use, something ...

How to Open Command Prompt as Admin in Windows 11

Many Windows 11 tasks—like fixing system files, resetting network settings, or managing disk part...

Windows Update High CPU Usage Troubleshooting Checklist