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

Chrome Startup Crash on Windows 11: Fixes That Work

You click the Chrome icon on your Windows 11 PC, the window flickers, and then nothing—or you get...

How to Fix Windows Cannot Access Shared Folder

You try to open a shared folder on another PC and get 'Windows cannot access \\computer\share...

Fix Nginx Upstream Connection Refused Behind Cloudflare

If you see upstream connection refused in your Nginx error logs while using Cloudfla...

Fix 'npm install' Permission Denied When Using Yarn

You run yarn install in a project and later try npm install only to hit...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Fix Windows 11 Update Stuck at 0% – BITS Service Issues

You click 'Check for updates' in Windows 11, and it sits at 0% for minutes or hours. Ofte...