Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see the error fatal: refusing to merge unrelated histories when running

If you're running Docker commands from Git Bash on Windows and see an error like contex...

Fix 'pip install externally managed environment' Error
If you're seeing pip install fail with a message about an externally managed env...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate
When you run git clone, git pull, or git fetch over HTTPS,...

Fix 'Package Requires Different Node Version' Error
You try to install or run a package and get an error like package requires a different Node...

Fix npm 'package.json not found' Error in Subdirectories
You're working in a subdirectory of your project, run npm install or npm r...