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 Git Clone Connection Timed Out After 30 Seconds

When you run git clone and see connection timed out after 30 seconds, i...

Windows 11 Installation Assistant Stuck at 99% After Restart

You've run the Windows 11 Installation Assistant, it reached 99% after restart, and now it...

Renew an Expired Cloudflare Origin Certificate: Step-by-Step

If your Cloudflare origin certificate has expired, visitors will see SSL errors and your server m...

Fixing Nginx 502 Bad Gateway in Docker: Practical Steps

You set up Nginx as a reverse proxy in Docker, but instead of your app you see a 502 Bad Gateway....

Fix Nginx 13 Permission Denied Error: Step-by-Step

You're configuring Nginx and see 13: Permission denied in the error log. This us...