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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix 504 Gateway Timeout with Windows Security Firewall

If you're seeing a 504 Gateway Timeout error on a Windows machine, the Windows Security firewall ...

How to Set Up Windows Defender Network Protection for Enterprise

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

Remote Desktop Rate Limit Error Checklist

If you see a rate limit error when connecting via Remote Desktop (RDP), it usually means the serv...

How to Fix Microsoft Store DNS Error on Windows 10

If you see a DNS error when opening Microsoft Store on Windows 10, it usually means the app can't...

FFmpeg Audio Delay Correction: Sync Audio and Video

If you've ever played a video where the audio lags behind or leads the picture, you're dealing wi...