Checklists for software errors, setup, and tool workflows.

Fix Nginx Upstream Connection Refused Error

If you see upstream connection refused in your Nginx error logs, it means Nginx trie...

Fix Node Sass Build Failure After npm Cache Clean

If you've run npm cache clean --force and now see a build failure related to

Node.js Memory Limit Increase Not Working: Fixes

You set --max-old-space-size=4096 but Node.js still crashes with a memory error. Thi...

Fix Windows Security App Missing from Start Menu

You open the Start menu, type “Windows Security,” but nothing appears. The app may have been unre...

How to Fix VS Code Terminal Not Opening

If you click the terminal panel in VS Code and nothing appears, or it opens but stays blank, the ...

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

Symptom

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