i have conectted my playstation 3 with my computers wirelessy but when i playback content from my computerto the playstaion 3 after about 15 mins the film im watching or music im playing frezzes and a error message come up regarding my media server mean the computer where im taking the film from also when i try to play music it comes up with error messages to this content could not be played is this problem with the ps3 or computer or router