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

Fix Windows Defender DNS Error on Windows 10

If you see a DNS error in Windows Defender on Windows 10, it usually means the app can't reach it...

Why Docker Container Exits with Code 1: A Checklist

You start a Docker container, it runs for a second, then stops with exit code 1. This is a common...

Fix Windows Security High CPU Usage on Windows 10

If your Windows 10 PC is running slow and Task Manager shows Windows Security (or Antimalware Ser...

Fix GitHub Actions Docker Push Permission Denied

Disable Windows Defender Real-Time Protection via Group Policy

If you're managing a Windows 10 or 11 Pro/Enterprise environment, you might need to disable Windo...

Fix Microsoft Store Connection Timeout on Windows 11

You open the Microsoft Store on Windows 11, and instead of loading apps, you see an error like “C...