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

UFW Allow Port Not Working After Reboot: Fixes That Actually Work

You added a UFW rule to allow a port, it works fine until you reboot, then the port is blocked ag...

Fix Windows Defender SSL Certificate Errors After Update

After a Windows update, you might see SSL certificate errors in Windows Defender or other applica...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Fix MySQL Workbench Connection Refused on Mac

When MySQL Workbench on Mac shows 'connection refused', it usually means the MySQL server isn't r...

Fix OneDrive 'Command Not Found' Error on Linux and macOS