Checklists for software errors, setup, and tool workflows.

Fix Git 'index.lock' Error in VS Code

If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

Docker Container Exits Immediately After Start: Network Fixes

You start a Docker container and it exits right away. The container logs show no errors, or the e...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Restore Windows Defender Real-Time Protection After Malware Disables It

If your Windows Defender real-time protection has been turned off and you suspect malware is the ...

Fix npm run build Failed Due to Missing Dependencies

When you run npm run build and it fails with errors about missing dependencies, the ...

How to Resolve Git SSL Certificate Error: Unable to Get Local Issuer

If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...