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

Jupyter Kernel Not Starting After Update: Fixes

After updating Jupyter or its dependencies, you might see the kernel die immediately or hang with...

How to Set Up Command Prompt Auto Start via Task Scheduler

You want a command prompt script to run automatically at system startup or on a schedule. Using T...

Fix Windows Update Error 0x80070002: Missing Files

If you see error 0x80070002 when checking for updates, Windows is likely missing a file it needs....

How to Fix Windows Defender File Locked Error

When Windows Defender (Microsoft Defender Antivirus) locks a file, you typically see an error lik...

Fix Chrome 504 Gateway Timeout When Using a VPN