Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

Repair Corrupt Windows Search Index Database

Repair Corrupt Windows Search Index Database

When Windows Search stops returning files or emails, or the search box hangs, a corrupt index dat...

Fix Docker Compose Environment Variable Default Value Not Used

Fix Docker Compose Environment Variable Default Value Not Used

You define a default value for an environment variable in your docker-compose.yml file, but when ...

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

Fix Nginx Upstream Connection Refused & Upstream Not Found

Fix Nginx Upstream Connection Refused & Upstream Not Found

When you see upstream connection refused or upstream not found in your ...

Python Virtual Environment Not Activating in Git Bash: Fixes

Python Virtual Environment Not Activating in Git Bash: Fixes

You're in Git Bash on Windows, you run source venv/Scripts/activate, and nothing...

Fix 'Python Is Not Recognized as an Internal or External Command'

Fix 'Python Is Not Recognized as an Internal or External Command'

When you type python in the Command Prompt and see 'python is not recognized...