Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome while connected to WiFi, your browser ...

If you're seeing a build error like Module build failed: Error: Node Sass does not yet ...

Fix VSCode Git Auth Failed: Expired Token
You're working in Visual Studio Code, try to push or pull, and see an error like "Git: Au...

Fix 'Permission Denied' When Activating Python venv
When you try to activate a Python virtual environment with source venv/bin/activate ...

Fix VSCode Terminal 'Permission Denied' on Windows
If you see 'permission denied' in the VSCode integrated terminal on Windows, it's usu...

How to Downgrade Node.js for Package Compatibility
You install a package and get errors like requires Node.js >= 16, but you have 18...