My friend was having issues with Gold Edition on her PS3, so I borrowed it and installed it onto mine. The problem was that the audio would mute randomly, and it wasn't just for the game, it muted the PS3 menu as well. It would only come back on after restarting the whole system.

I tested her game on my PS3 and it did the same. Her disk is brand new, no scratches or damage of any kind. I considered reinstalling but figured it wouldn't help.

Anyone have problems like this?

(I don't have this game with me at the moment, so I can't test anything. :/ )

RE5 has a few 'demon' discs. tell the people you got it from that the disc is faulty.