midi freeze

[ken]

I HAVE THE M-AUDIO OZONE WORKING WITH LIVE 3.0.4 AND WHEN OPERATING FOR ABOUT AN HOUR THE MIDI SIGNAL STOPS AND LIVE FREEZES,BUT I CAN SAVE ONLY IF IM NOT RECORDING AT THE TIME. I END UP TURNING OF OZONE AND RESTARTING LIVE OVER AGAIN CPU-2.00GHZ ,248RAM,WINDOSXP-SERVICE PACK 2 I REALLY HOPE YOU GUYS CAN HELP ME WITH THIS PROBLEM. THANX!