Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open VS Code, make edits, and expect to see them in the Source Control panel. But nothing sho...

You open VS Code, make edits, but the Source Control panel shows no changes. Or you see a "pe...

You're parsing a JSON file in Python and hit UnicodeDecodeError: 'utf-8' codec ...

Node.js Heap Out of Memory Troubleshooting Checklist
When a Node.js process crashes with FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - Ja...

Bluetooth Hardware Not Found on Windows 11: Fixes
You open Bluetooth settings in Windows 11 and see 'Bluetooth hardware not found' – no swi...

Fix Git 'index.lock' File Exists Error in SourceTree
If you use SourceTree and see an error message like fatal: Unable to create 'path/to/.g...