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

Fix Windows Defender Real-Time Protection Not Running

You open Windows Security and see a yellow warning: "Real-time protection is off." Or you...

How to Fix ERR_NAME_NOT_RESOLVED on Chrome for Android

If you see ERR_NAME_NOT_RESOLVED in Chrome on your Android phone, it means the b...

Docker Disk Space Full: How to Free Up Space for Images

If you work with Docker regularly, you've likely seen the dreaded "no space left on devic...

Fix Git SSL Certificate Problem on Corporate Networks

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

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

How to Set Python Path in Windows 10