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...

Chrome Bypass Proxy for Local Addresses: How to Fix

If you're using a proxy in Chrome and notice that local addresses (like localhost, <...

How to Fix Microsoft Teams 504 Configuration Error

You try to sign in to Microsoft Teams and see a 504 configuration error. The app may hang or show...

How to Fix Chrome SSL Certificate Error After Update

Reset Command Prompt to Default Settings: Step-by-Step Guide

When Command Prompt starts with the wrong window size, font, colors, or custom paths, it's often ...

Checklist to Enable Windows Security Auto Start

If Windows Security (formerly Windows Defender) doesn't start automatically after you log in, you...