I am using sonar 6 producer edition 64 in windows XP pro 64 edition and a motu 828 mkll 64 install the project is 5 tracks (problem is on all projects) audio driver at 24 bit depth 64 bit engine clicked sampling rate at 44100 ASIO drivers ver 220.127.116.11. when I try to export to OMF I get the error code c0000005 The omf file shows up empty and will import but empty with no tracks. I'm following the book on the OMF export, I assume a software clitch someware.???? I dont have SP2 installed as it locks up the motu drivers in 64 mode. ?? any ideas I can't seem to find the solution and I searched with no luck. Thanks for any help, Brad Same post at cakewalk but I thought I would share it here.