Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You're trying to reach a site, and the browser keeps bouncing between two URLs until it gives...

You try to pull or push an image from a private Docker registry and get an error like authe...

Fix Nginx 502 Bad Gateway with Docker Environment Variables
If you see a 502 Bad Gateway from nginx running in Docker, it usually means ngin...

Fix WiFi No Internet After Windows 11 Update
After a Windows 11 update, you might see your WiFi connected but with no internet access. This is...

Fix pnpm ERR_PNPM_OUTDATED_LOCKFILE Lockfile Error
When running pnpm install or pnpm update, you may see:
ER...

Handling Missing Peer Dependencies in pnpm Install
When you run pnpm install and see warnings about missing peer dependencies, your pro...