Nokia :: FMMS Connection - Automatically Picks Mms

first of all i had the problem that the programm was unable to download the content of the mms after it arrived, it only worked after i manually started a internet connection. but after that hell broke loose! every single time i opened the ovi store via icon, refreshed the weather app or tried to refresh the email client the n900 would all of a sudden pick the mms connection over my provider internet connection although my provider internet-connection was set to up under "settigs"->internet connections. i had to deinstall fmms and had to remove the mms-internet connection point using fapn. a total mess..