Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You set --max-old-space-size=4096 but Node.js still crashes with a memory error. Thi...

You see the taskbar at the bottom of your screen, but the icons—like the Start button, search bar...

If Windows Update is stuck and you see error 0x80070002, the system is usually having trouble fin...

If you're on a modern Linux distribution (like Debian 12, Ubuntu 23.04+, Fedora, or Arch) and...

When you run npx some-package and see an error like “npm package json not found”...

Fix Python Dependency Conflicts After an Update
You updated your Python environment or a package, and now your script throws import errors or ver...