I read this thread,

http://talk.maemo.org/showthread.php?t=81318&page=10

when QuasarMX has expired, click the "Check for new version" button and the test period will be extended.

And it seems like you'll have to activate your connection first
(try open any web page with your browser)
I think it can't open a connection by itself at least if "allow background connections" isn't active.