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

How to Set Up Windows Defender Network Protection for Enterprise

Network Protection in Windows Defender helps block outbound connections to malicious IPs and doma...

How to Fix Nginx Permission Denied Errors

If you see 13: Permission denied in your Nginx error log, Nginx cannot read a file o...

OpenVPN Connection Failed: Check Firewall Settings

You see "connection failed" in your OpenVPN client log. The server is reachable, but the handshak...

How to Fix PowerShell Rate Limit Error 429

If you're using PowerShell to call REST APIs — especially Microsoft Graph, Azure, or GitHub — you...

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes

How to Fix Windows Terminal Rate Limit Error

If you see a rate limit error in Windows Terminal—often appearing as 'HTTP 429 Too Many Requests'...