apps and brew problem on my Audiovox CDM 8900

ok so my problem is...i got to brew...and it trys to connect....but it always says "unable to retrieve catalog. please try again later (1287)"...but like 3 times out of the many it has let me in...and 2 times let me download apps....i have ringster plus...and had ringtone jukebox...but when i tried to open either of then it said "cannot connect to network, close out of app and pleas try again later"...cept when i do close and do try again later...it still screws me over...and cant find the network....anyone know how i fix?