Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You try to install an npm package and get an error like Unsupported engine or ...

Fix VSCode IntelliSense Not Working for Rust
You open a Rust project in VSCode, start typing, and get no completions, hover info, or error hig...

Fix Git SSL Certificate Error: Unable to Get Local Issuer
If you see the error fatal: unable to access 'https://...': SSL certificate problem...

Windows 11 Update Stuck at 0%? Fixes That Work in 2024
You click "Check for updates" or restart to install, and the progress bar sits at 0% for ...

Docker Compose Port Already Allocated: Checklist
You run docker-compose up and get an error like Error starting userland proxy:...

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM
You're seeing upstream connection refused in your Nginx error log, and your site...