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

Fix Windows Activation Sync Issues Between Devices

You bought a Windows 10 or 11 license and signed in with your Microsoft account, expecting it to ...

Nginx 502 Bad Gateway: PHP-FPM Fix Guide

Seeing a 502 Bad Gateway error from Nginx usually means it can't reach PHP-FPM. This is common af...

Fix Maven Dependency Resolution Failed in IntelliJ

Windows Terminal vs Command Prompt: Which One Should You Use?

If you've ever opened a command-line tool on Windows, you've probably used Command Prompt (cmd.ex...

Fix Windows Search Update Error 0x80240034

If you see error 0x80240034 when installing a Windows Search update, the update likely failed due...

How to Fix Chrome 404 Not Found Error on Android

You tap a link in Chrome on your Android phone and get a blank page with '404 Not Found.' It's fr...