Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You install or update a Chrome extension, but it refuses to load. Instead, you see a Perm...

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 Windows 11 Bluetooth Error 0x00000001
If you see error code 0x00000001 when trying to turn on Bluetooth or pair a device in Windows 11,...

Fix VS Code Breakpoint Not Hit in Express App
You set a breakpoint in your Express route handler, start debugging, and the breakpoint is never ...

Fix VS Code Git Authentication Failed Keychain Error
If you see "Git authentication failed" in VS Code on macOS, the problem is often the macO...

Fix node-sass Build Failed: node-gyp Rebuild Error
If you see node-sass build failed with node-gyp rebuild in your termina...