Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run git push and see: ! [rejected] main -> main (non-fast-forward)

Fix pnpm Permission Denied Errors on macOS
When running pnpm on macOS, you may encounter a EACCES: permission denied error, esp...

Fix Node Sass Build Failure by Upgrading Node Version
If you're seeing a build error like Module build failed: Error: Node Sass does not yet ...

Fix npm install Permission Denied in Home Directory
If you see EACCES: permission denied or similar errors when running npm instal...

Fix Windows 11 Wi-Fi No Internet by Disabling IPv6
If your Windows 11 PC connects to Wi-Fi but shows 'No internet' while other devices work ...

Fix Node.js Heap Out of Memory When Loading Modules
If you see FATAL ERROR: Ineffective mark-compacts near heap limit Allocation failed - JavaS...