Checklists for software errors, setup, and tool workflows.

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npm package.json Not Found After npm init

You run npm init, answer the prompts, and then try to install a package or run a scr...

Windows Update Service Not Running in Windows 11: Fix It

If Windows Update won't start and you see an error like "Windows Update service is not ru...

Resolve Git Merge Conflicts in VS Code: Step-by-Step

When you pull or merge branches in Git and both branches have changed the same part of a file, yo...

Cloudflare Error 521: Web Server Down Checklist

Cloudflare error 521 means your origin web server refused the connection. This is not a Cloudflar...

Git Merge Unrelated Histories with Conflicts: How to Resolve

You try to merge two git branches and get an error like fatal: refusing to merge unrelated ...

Fix Nginx 502 Bad Gateway with Docker Multiple Containers
If you run Nginx as a reverse proxy in front of multiple Docker containers, a 502 Bad Gateway err...