Checklists for software errors, setup, and tool workflows.

Fix Cloudflare 521 Error: SSL Configuration Steps

If you see a Cloudflare 521 error, it means Cloudflare can't establish a TCP connection to yo...

Fix Node Sass Build Failed with Visual Studio Build Tools

When you see node-sass build failed during an npm install, it usually means the nati...

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

Symptom

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

Fix Windows Defender Real-Time Protection Stuck on Turning Off

You open Windows Security, go to Virus & threat protection, and see Real-time protection stuc...

Fix Cloudflare Origin Certificate with Let's Encrypt

If your origin server is rejecting the Cloudflare origin certificate—perhaps because of a SAN mis...

VS Code Terminal Blank Screen: Quick Fixes

You open the integrated terminal in VS Code, but instead of a prompt, you get a blank or black sc...