Mbox 2 Mini Stuttering/Glitching Playback

Hi



I'm new to the forums and have come in search of help with some hardware.



I'm using an Mbox 2 Mini for audio playback with a new i5 MacBook Pro and all of a sudden if the mbox has ben plugged in for a while the playback starts to glitch and stutter. If I take the usb out of the computer and put it back in again it fixes it. I'm using it for live shows so obviously this is a serious issue!



I've tried reinstalling the driver and I even reverted back to and old one and no different!



Please help!!



Thanks,



Rory