Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You open the integrated terminal in VSCode on Ubuntu, but nothing happens—no shell, no error, jus...

When you run pip install somepackage and see PermissionError: [Errno 13] Permi...

Fix DNS Probe Finished NXDOMAIN Error on Mac
You're browsing on your Mac and suddenly a site won't load, showing the error DNS...

Fix Windows Update Service Not Running with Malwarebytes
If Windows Update fails with error messages like "Service not running" or "Windows Up...

Docker Container Exits Immediately: No Error, Common Fixes
You run docker run and the container starts, then exits within a second. No error me...

Fix VSCode Breakpoints Not Hitting in TypeScript
You set a breakpoint in a TypeScript file, run the debugger, and execution never pauses. This is ...