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

Fix Nginx Upstream Connection Refused in Docker

You have Nginx running, either on the host or in a container, proxying to another Docker containe...

Fix Windows Explorer Keeps Restarting in Safe Mode

If you boot into Safe Mode only to see Windows Explorer crash and restart over and over, the prob...

Fix Windows Security App Not Starting on Windows 11

You click the Windows Security icon or try to open it from Settings, but nothing happens. The app...

Fix Docker Pull Access Denied for Private Repository