Bbm setting up forvever

so I just got blackberry, never had it before so im still learning.
at first bbm wouldn't want to set up, but then I updated it and it started setting up forever, and after couple of times I tried to remove battery, so it showed still "setting up bbm" and then the writing dissapeared but the background is still blue. what should I do? I cannot uninstal bbm how they say online.... really help please
and yes its connected to internet and yes I have tried getting battery out
Asked Aug 30, 2013

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