sorry wasnt very specific, here is the exact message could not complete the close session command because neo assertion in "/Volumes/Development.vb_cliff/AlturaPorts/SDK's/Neo61/Libraries/Macintosh/Environments/Alone/../../../../Source/CNEoStreamable.cpp", line 2247 I have a macbookpro 2.0 intel core duo 1 gb ram and im using an external avastor hdx external hard drive, im running pro tools 7.3.1 with a digi 002 rack unit aaron h