Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

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

When you run nginx -t and see "test failed", it means nginx found a problem ...

You click 'Check for updates' and see the progress bar stuck at 0% for minutes or hours. ...

You run a Docker container and it stops almost instantly with exit code 0. This means the main pr...

If you see an error like fatal: Unable to create 'path/to/repo/.git/index.lock': Fi...

Fix ERR_CONNECTION_RESET in Chrome on Mac
If you see ERR_CONNECTION_RESET in Chrome on your Mac, the browser cannot establ...