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

Fix Command Prompt Not Working in Windows 10

You click the Command Prompt shortcut or type cmd in the Run dialog, but nothing hap...

Nginx 502 Bad Gateway: A Practical Troubleshooting Guide

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

How to Fix Command Prompt Run as Administrator Not Working

You right-click Command Prompt and select 'Run as administrator', but nothing happens, or it open...

Fix Chrome Startup Shortcut Not Working on Windows

You double-click your Chrome shortcut, but nothing happens—or it opens a different browser. This ...

Fix Error 0x80070005 Access Denied in Command Prompt