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

Fix Windows Defender Real-Time Protection Turned Off & Connection Refused

You open Windows Security and see real-time protection is off. Trying to turn it on fails with a ...

How to Fix Command Prompt Freezing on Startup

You open Command Prompt, and instead of a blinking cursor, you get a frozen window that won't res...

How to Fix Chrome SSL Certificate Error After Update

Fix Windows Defender Stuck on Loading Black Screen

If Windows Defender (Microsoft Defender Antivirus) hangs on a black screen with a spinning or fro...

Fixing 502 Bad Gateway in Windows Terminal Setup

If you're seeing a 502 Bad Gateway error while setting up or using Windows Terminal, it usually m...

How to Fix GitHub Actions Permission Denied Errors

If you see a "permission denied" error in a GitHub Actions workflow run, it usually means the wor...