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

Fix Windows Activation Command Not Found or Permission Denied

When trying to activate Windows using the command line (slmgr.vbs or slui), you might see errors ...

Complete Windows Security Setup Checklist

If you're setting up a new Windows machine or hardening an existing one, this checklist covers th...

How to Fix Windows Security DNS Error 0x800704cf

You might see error 0x800704cf when opening Windows Security or trying to update Windows Defender...

Fix Windows Terminal 504 Gateway Timeout with Nginx

If you see a 504 Gateway Timeout error in Windows Terminal while accessing a ser...

Fix Chrome Profile SSL Certificate Error on Mac

You open Chrome on your Mac and see a warning like “Your connection is not private” or “NET::ERR_...

Fixing GitHub Actions Permission Denied for Git Commands