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

How to Fix Outlook 502 Bad Gateway Error

When you see a 502 Bad Gateway error in Outlook, it usually means the server rec...

Java JDK Not Recognized After Installation: Fixes and Checks

Jupyter Notebook Token Not Working After Update: Fixes

After updating Jupyter Notebook or JupyterLab, you may find that the token-based authentication n...

How to Fix Chrome Browser Proxy Error (ERR_PROXY_CONNECTION_FAILED)

If Chrome shows "ERR_PROXY_CONNECTION_FAILED" or similar proxy error, it usually means the browse...

Fix Microsoft Teams Microphone Not Working in Meeting

If your microphone stops working during a Teams meeting, it's often a quick settings or permissio...

Fix systemd Service Restart Loop Due to Permission Denied

If your systemd service keeps restarting and you see "Permission denied" in the logs, the service...