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

Fix Chrome Profile Port Already Allocated on Windows 10

You start Chrome and see an error saying the profile port is already allocated. This usually happ...

How to Fix a Chrome Extension That Is Not Responding

You click an extension icon, but nothing happens. Or the popup shows a loading spinner that never...

Fix VirtualBox Kernel Driver Not Installed on Windows 10

Fix PuTTY Connection Refused After Server Restart

You restart your server, open PuTTY, and see "Connection refused". This is a com...

Fix Windows Security 502 Bad Gateway Sync Error

You open Windows Security and see a 502 Bad Gateway error when it tries to sync. This usually mea...

Fix Jupyter Notebook Token Not Working on Localhost

If you see a token prompt when opening Jupyter Notebook on localhost, and entering the token fail...