Checklists for software errors, setup, and tool workflows.

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Fix Windows Security App Permission Issues

You open Windows Security and see a message like "This app has been blocked for your protecti...

Fix 'pip externally managed environment' on Ubuntu 23.04

If you're on Ubuntu 23.04 (Lunar Lobster) and try to install a Python package with pip, you m...

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

Fix Windows Defender Real-Time Protection Not Running

You open Windows Security and see a yellow warning: "Real-time protection is off." Or you...

Fix 'npm run build Error Cannot Find Module'

You run npm run build and get an error like Error: Cannot find module 'som...

Fix Windows Update Service Not Running with Permission Denied
You try to run Windows Update and get an error that the service is not running. When you try to s...