Checklists for software errors, setup, and tool workflows.

Fix Nginx Redirect Loop After SSL Setup

You've set up SSL on your Nginx server, but now visitors get stuck in a redirect loop—HTTP→HT...

Fix Cloudflare SSL Full Strict Error 526

If you see error 526 in your browser when using Cloudflare with SSL set to Full (Strict), it mean...

How to Fix Nginx 502 Bad Gateway in Docker

If you're running Nginx as a reverse proxy inside Docker and seeing a 502 Bad Gateway error, ...

Fix Windows Defender Real-Time Protection Stuck Off in Windows 11

You open Windows Security, see real-time protection is off, click the toggle, and it turns back o...

Fix VSCode Git Authentication Failed: Permission Denied

If you see 'Git authentication failed' or 'permission denied' when pushing or pul...

Checklist for Troubleshooting Nginx Permission Denied Errors

Understanding the Problem

When Nginx returns a 403 Forbidden or logs an error like ...