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...

Fix Windows 11 Installation Assistant Stuck at 99%

You're upgrading to Windows 11 using the Installation Assistant, and it gets stuck at 99% for...

Windows 11 Update Stuck at 0%: Practical Checklist

You start a Windows Update and it hangs at 0% for 10, 20, 30 minutes. This is a common frustratio...

Fix 'port already allocated' for Nginx in Docker Compose

You're starting your Docker Compose setup with Nginx, and you see "port is already alloca...

Fix Cloudflare Wildcard Subdomain SSL Not Working

You set up a wildcard SSL certificate for your domain on Cloudflare, but some subdomains still sh...