Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If you see "permission denied" when saving files, running terminals, or using extensions ...

If you see a yellow warning or a message that real-time protection is off, Windows Defender’s cor...

If you see Error response from daemon: network <name> not found when running D...

You start a Docker container and it exits immediately with a message like /bin/sh: 1: somec...

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...

Fix Windows Defender Real-Time Protection Not Running
You open Windows Security and see a yellow warning: "Real-time protection is off." Or you...