Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see Permission denied when running pip install --user somepackage

Fix 'Python Command Not Found' in Git Bash on Windows
When running Python in Git Bash on Windows, you may see bash: python: command not found

Fix ERR_CONNECTION_RESET Caused by Chrome Extensions
If Chrome suddenly shows ERR_CONNECTION_RESET on sites that used to work, a misb...

Fix 'python command not found' After Windows Upgrade
After upgrading Windows 10 to 11 (or a major feature update), many users find that typing p...

Fix ERR_NAME_NOT_RESOLVED After Chrome Update
If Chrome started showing ERR_NAME_NOT_RESOLVED on every website right after an upda...

Docker Compose Port Already Allocated: Fixes & Checks
When you run docker-compose up and see an error like Error starting userland p...