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

Systemd Service Setup Checklist for Beginners

You've written a script and want it to run as a background service. Systemd is the modern way to ...

How to Set Up Windows Security Proxy Settings

If you've noticed that Windows Security isn't updating or connecting to the cloud for threat defi...

Fix Microsoft Store Error 0x80072efd: Connection Refused

When you open Microsoft Store and see error 0x80072efd with the message "Connection refused," it ...

Fix Windows Defender Not Starting Automatically via Registry

If Windows Defender doesn't start automatically after boot, it may leave your system unprotected ...

How to Fix Docker Container Exit Code 1 on Startup

If your Docker container exits immediately with exit code 1, it usually means the main process in...

Fix Windows Defender Proxy Error: Permission Denied