hi first posting here, hope u can all help. i have a mesh quad core 6600 2.4 ghz pc with 4gb memory and a creative soundblaster x-fi xtreme gamer sound card, running Vista Home Premium. i keep having a weird sound problem that appears off and on randomly when i play games. it can happen in old and new software eg crysis, halflife, guildwars, even flash games online! when playing the sound will cut out and be replaced with an ear shattering high pitched tone, the game will continue to run on screen with no problems but the sound will be replaced by this noise. if i shut the game down the noise will continue on desktop until i restart my pc, everything then works as normal. i can play the machine for days with this not coming back, then it suddenly does again, its driving me mad! tried various drivers from creative but they dont seem to make any diff. the only fix i have managed is to disable the card and use my rigs onboard realtek sound. if i do this the sound works perfectly. anyone come up against this and fixed it? would it be worth me just pulling the card and using onboard from now on? i know creative have a bad rep but the card came preinstalled.