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

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...

Fix Remote Desktop Fails to Start with No Error

You click to start a Remote Desktop session, the connection window appears briefly, then closes w...

Command Prompt Connection Error Troubleshooting Guide

Fix Port Already Allocated Error for Windows Update on Windows 10

You try to run Windows Update but get an error message like 'port already allocated'. This usuall...

How to Fix Windows Security Error 0x80070422

You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...

How to Fix Remote Desktop 404 Error on Windows Server

When you see a 404 error while trying to connect to a Remote Desktop (RD) Web Access or RD Gatewa...