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

Fix Jupyter Notebook Token Not Working on Mac

You launch Jupyter Notebook on your Mac, see the token URL in the terminal, copy it into your bro...

Fix BitLocker DNS Error: Unable to Contact Key Server

If you see "BitLocker DNS error: unable to contact key server" when trying to recover a BitLocker...

How to Fix Windows Update Access Denied Error in Command Prompt

Remote Desktop File Locked: Troubleshooting Checklist

When you connect to a remote desktop and try to open or edit a file, you may see an error saying ...

Fix BitLocker Update Error 0x8031004f on Windows

If you see error code 0x8031004f when installing a Windows update that involves BitLocker, it usu...

Fix Windows Security Invalid Configuration Error

You open Windows Security and see an error: "Invalid configuration" or "Your IT administrator has...