Checklists for software errors, setup, and tool workflows.

Fix Windows Defender Real-Time Protection Configuration Error

You open Windows Security and see a message that real-time protection is turned off or has a conf...

Python Virtual Environment Not Activating: Common Fixes

You run source venv/bin/activate (or venv\Scripts\activate on Windows) ...

VSCode IntelliSense Not Working for JavaScript: Fixes

You open a JavaScript file in VSCode, but IntelliSense is silent — no autocompletions, no suggest...

Docker Container Exits Immediately on Linux: Fixes

You start a Docker container, but it exits immediately. This is a common issue on Linux. The cont...

Error 0x80070080002 Windows Update: Step-by-Step Fix

Error 0x80070002 in Windows Update usually means the update files are missing or corrupted, or th...

How to Fix Git Merge Unrelated Histories Error

You run git pull or git merge and get:

fatal: refusing to...