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

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Fixing Cloudflare 522 Errors with Load Balancer Setup

If you see a Cloudflare 522 error, the connection between Cloudflare and your origin server timed...

Prevent Git Index Lock File Creation: Practical Fixes

If you see fatal: Unable to create 'path/to/.git/index.lock': File exists., ...

Fix Windows Update Error 0x80070002 on Windows 10

When Windows Update fails with error 0x80070002, it usually means the system can't find the u...

Fixing NGINX 502 Bad Gateway in Docker Containers

When running NGINX as a reverse proxy in Docker, a 502 Bad Gateway error usually means NGINX cann...