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

Fix Windows Defender File Locked During Scan

You run a Windows Defender scan and it reports that a file is locked and can't be scanned. This i...

Fix Windows Security 'Failed to Start' Group Policy Error

You click the Windows Security icon in the taskbar or try to open it from Settings, but nothing h...

Jupyter Kernel Stuck on Connecting: Practical Fixes

You launch a notebook, but the kernel indicator stays gray or shows “connecting” for minutes. Thi...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

How to Fix Task Scheduler High Memory Usage Error

If Task Scheduler is using excessive memory (e.g., over 200 MB), your system may feel sluggish. T...

How to Fix 'Token Expired' Errors in Windows Terminal

If you see 'token expired' in Windows Terminal, it means the authentication token for a service (...