This is the acklog.txt when you started in SED. Post the one that was created when running the .exe.

Anyway you should update your Gamestudio version to A7.80 (you get this free update on the gamestudio downloadside).

ANet - A stable and secure network plugin with multi-zone, unlimited players, voip, server-list features,... (for A7/A8)!
get free version