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

Fix Remote Desktop Black Screen on Ubuntu

You connect to your Ubuntu machine via Remote Desktop (RDP or VNC) and see only a black screen. T...

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes

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 Windows Activation 502 Bad Gateway via Command Prompt

When you try to activate Windows and see a 502 Bad Gateway error, it usually means the activation...

How to Fix BitLocker 404 Not Found and Permission Denied Errors

If you're seeing a '404 not found' or 'permission denied' error when trying to access or manage B...