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

Fix Windows Search Not Showing Results Due to Authentication Error

You type in the Windows Search bar, but nothing appears—or you see a brief error message about au...

Fix 'Windows Defender Not Recognized' Error in Command Prompt

How to Fix Nginx 502 Bad Gateway: A Practical Guide

Seeing a 502 Bad Gateway error from Nginx usually means the upstream server (like PHP-FPM, Gunico...

Fix Windows Activation Auto Start Not Working

You expect Windows Activation to pop up automatically after a hardware change or fresh install, b...

Fix OneDrive High Memory Usage on Mac M1

If you're on an M1 Mac and OneDrive is using excessive memory (often 1 GB or more), you're not al...

Fix Chrome Camera Permission Denied Error

When Chrome shows "permission denied" for your camera, it usually means the browser or system isn...