Knowledge base for software setup, errors, and daily tool work.

Taskbar Icons Missing but Programs Running – Fix Guide

You start your computer, launch your usual apps, and the programs are running—you can see them in...

Setup Cloudflare Origin Certificate for Nginx

If you use Cloudflare as a reverse proxy, enabling HTTPS between Cloudflare and your Nginx server...

How to Enable Windows Defender Real-Time Protection in Windows 10

If Windows Defender real-time protection is off, your PC is more vulnerable to malware. You may s...

Fixing NGINX Upstream Connection Refused SSL Errors

When NGINX logs upstream connection refused for an SSL backend, it usually means the...

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM

You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...

Fix 'docker network not found' After Prune