im using NOKIA N73 AP

problem having :-

PROBLEM A :-

1. Cannot activate the tracks of my songs

2. Required Activation Key ??

3. When i got into 3g to activate .. the ERROR message prompt out written :-

" packet data .. packet data connection not available "

how can this item happend?? i've activated my MAXIS 3G stuff d....how come???

PROBLEM B :-

Can i play MSN messenger via N73? PLS HELP~!