Hello and help, please! I am running avid xpress pro v5.7 on macbook pro, mac os 10.4.11. I captured probably 7 hours of footage to a project on new G raid 1 Tb drive, partitioned into 6 drives. I made about 7 sequences, before I started having the problem that now I work and after 5-20 minutes, at some point when I click on a clip in a bin to put it