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

Fix Cloudflare Origin Certificate Mismatch Errors

If you see 'Origin Certificate Mismatch' in Cloudflare or browser warnings, it usually me...

Windows Update Service Setup Guide: Enable & Configure

When Windows Update fails, the underlying service is often the culprit. This guide walks through ...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Fix Windows Update Service Not Running in Event Viewer

You open Event Viewer to check for errors after a failed Windows Update, and you see an event sta...

Fix Nginx 502 Bad Gateway in Docker Alpine

You have an Nginx container running on Alpine Linux, and it returns a 502 Bad Gateway. This usual...

Fix Git Pull Unrelated Histories Error: Step-by-Step

You run git pull and see: fatal: refusing to merge unrelated histories....