Checklists for software errors, setup, and tool workflows.

Fix Remote Desktop Certificate Errors in Windows

When you try to connect to a remote PC via Remote Desktop (RDP), you might see a warning like ...

Fix npm run build Failed with PostCSS Error

You run npm run build and see a PostCSS error. This often happens after updating pac...

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

Chrome Extensions Not Loading? Fixes That Actually Work

You open Chrome, click the puzzle icon, and your extensions are grayed out or missing entirely. M...

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

Symptom

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

Fix Nginx Upstream Connection Refused Behind Cloudflare

If you see upstream connection refused in your Nginx error logs while using Cloudfla...