Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open a tab on your desktop, but it doesn't show up on your phone or laptop. This is a com...

If you're working with Git on a Mac and see the error fatal: Unable to create '/pat...

Git index.lock File Exists: Quick Fix Checklist
You try to run a Git command and see fatal: Unable to create 'path/.git/index.lock'...

Fix 'docker network not found' After Prune
If you run docker network prune and later see errors like network not found

Windows 11 Update Stuck at 0%? Here's How to Fix It
You click "Check for updates" and see the download sitting at 0% for minutes or hours. Th...

Fix VS Code Terminal Not Opening with Docker
If your VS Code terminal refuses to open when Docker is running or after installing Docker extens...