There was no image when i posted. Anyway…
I don’t have avast! around to check, but eMule needs ICMP “access”. If you can enable it somewhere, try it. Though, last time I tried, it worked just by enabling all connections. The old eMule client is a bit buggy. Try using the unofficial build, I find it more reliable when it comes to High ID: https://github.com/irwir/eMule/releases/tag/eMule_v0.50b-unofficial