Checklists for software errors, setup, and tool workflows.

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Chrome Certificate Error: Not Secure Site Workaround

You're trying to reach a site and Chrome shows a full-page warning: “Your connection is not p...

Docker Compose 'Network Not Found' Error Fix

When running docker compose up, you might see an error like:

network "my...

How to Enable Windows Defender Real-Time Protection in Windows 10

If Windows Defender real-time protection is off, your PC is more vulnerable to malware. You may s...

Fix VS Code Source Control Not Detecting Changes on Windows 11

If you're using VS Code on Windows 11 and the Source Control panel isn't showing your fil...

Fix Windows Search Indexing High CPU Usage

If your computer's fan spins up and Task Manager shows Windows Search using a lot of CPU, the...