Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Fix VS Code Terminal Not Opening with Node
You open VS Code, try to start the integrated terminal, and it either doesn't appear, flashes...

Windows Search Indexing Setup: A Practical Guide
If Windows Search is slow or returning no results, the indexing service may not be set up correct...

Python Command Not Found in CMD but Works in Anaconda
You open Command Prompt, type python, and get 'python' is not recogniz...

Fix PowerShell Permission Denied in VS Code
When you try to run a PowerShell script in VS Code and get a "permission denied" error, i...

How to Manually Activate a Python Virtual Environment
You've created a Python virtual environment but can't get it to activate. This guide walk...