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

Fix Microsoft Store 502 Bad Gateway & Permission Denied

You open Microsoft Store and see a 502 Bad Gateway error, sometimes accompanied ...

Fix Microsoft Store Connection Refused by Firewall

If you see "connection refused" when opening Microsoft Store, your firewall or network settings a...

Step-by-Step Command Prompt Setup Guide

Command Prompt is a built-in Windows tool for executing commands. This guide covers how to open i...

Outlook 504 Gateway Timeout: Proxy and Firewall Fixes

If you see a "504 Gateway Timeout" error in Outlook, it usually means a network device (proxy or ...

How to Resolve Port Conflicts Using Command Prompt

If you see an error like "port already in use" or "address already in use" when starting a server...

How to Fix Network Errors in Command Prompt