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

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

Fix Docker Container Exits Immediately in Background Mode

You run a Docker container with -d (detached mode) and it exits immediately. The con...

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

VS Code Debugger Not Hitting Breakpoints in Node.js: Fixes

You set breakpoints in your Node.js code, start the debugger, and the execution runs straight thr...

Windows Security App Not Working After Reset? Try These Fixes

If you recently reset your Windows PC and now the Windows Security app won't open, shows a bl...

Fix Nginx Upstream Connection Refused Error

When Nginx returns upstream connection refused in your error logs, it means Nginx tr...