so heres the problem. i cant play modern warfare 2. its been happening for weeks now and ive been on the phone with tons of psn workers to help fix the problem. may be activision, may be router. but this is what happens.. when im signed in, mw2 loads to the infiniteward screen then exits to the ps3 menu. and when i load the game first, i can go till i have to sign in to play online, then as soon as it signs in. it exits again. ive read about a few people that have had this problem before. no real solutions though. motorola wants 30$ to open up ports for the game. does anyone know what to do with this problem? i tried restoring ps3, messing with network settings, and everything else i saw online. need help asap.

i figured id rather ask on here than yahoo answers or something. since i might actually be able to get a god answer on here.

thanks.