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

Jupyter Kernel Dead: Common Causes and Fixes

You're working in a Jupyter notebook, and suddenly the kernel dies. The notebook becomes unrespon...

Fix Python Module Not Found in VS Code: Common Causes and Solutions

You open a Python file in VS Code, run it, and get ModuleNotFoundError. The module i...

Fix Windows Defender Failed to Start: Registry Repair Steps

When you see “Windows Defender failed to start” or “Windows Defender service terminated unexpecte...

Fix Microphone Not Working in Microsoft Teams on Ubuntu

If your microphone isn't working in Microsoft Teams on Ubuntu, you're not alone. This is a common...

Fix Command Prompt Sync Issue with System Clock

How to Fix Windows Defender Not Starting Automatically

If Windows Defender (Microsoft Defender Antivirus) isn't starting automatically when you boot you...