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

Fix Cloudflare SSL Flexible Redirect Loop on Nginx

If you're using Cloudflare's Flexible SSL mode and Nginx, you may encounter a redirect loop where...

Fix NVM Not Found in Git Bash on Windows

How to Fix Remote Desktop 502 Bad Gateway Errors Related to Firewall Settings

If you're seeing a 502 Bad Gateway error when trying to connect to a remote desk...

Fix Windows Defender Real-Time Protection Authentication Failed

When you try to turn on Windows Defender real-time protection, you might see an error saying some...

How to Fix GPG Error During apt update on Ubuntu

When running sudo apt update on Ubuntu, you might see errors like NO_PUBKEY 12...