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

Windows 11 Update Stuck at 0%: Registry Fix Guide

You click 'Check for updates' and see the progress bar stuck at 0% for minutes or hours. ...

Fix Windows Defender Real-Time Protection Not Starting

If you see a yellow warning or a message that real-time protection is off, Windows Defender’s cor...

Fix Nginx Permission Denied for SSL Certificate Files

When nginx refuses to start or reload with a "permission denied" error related to an SSL ...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

Fix Git SSL Certificate Problem on Corporate Networks

If you see git SSL certificate problem: unable to get local issuer certificate while...

Fix 'python command not found' on Windows with Python Installed

You installed Python on Windows, but when you type python --version in Command Promp...