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

Command Prompt Setup Guide for Beginners

What is Command Prompt?

Command Prompt is a text-based interface in Windows that lets you...

How to Fix Cloudflare DNS Not Resolving on Windows

You've set your Windows machine to use Cloudflare DNS (1.1.1.1 and 1.0.0.1), but websites won't l...

Fix 'Connection Refused' Error in Windows Security for Remote Desktop

When you try to connect to a remote PC via Remote Desktop and get a 'connection refused' error fr...

Locate Windows Search Log Files in Windows 11

When Windows Search isn't working right—missing files, slow results, or high CPU usage—the log fi...

How to Reinstall Windows Defender in Windows 10

Windows Defender (now called Microsoft Defender Antivirus) is built into Windows 10 and typically...

Fix Remote Desktop 502 Bad Gateway in Nginx

If you're seeing a 502 Bad Gateway error when trying to access Remote Desktop through an Nginx re...