IC8 error - IRQL_Not_Less_Or_Equal

When running Instant Copy 8.05 it gives me the error: IRQL_Not_Less_Or_Equal. On both movies it seem to happen after the first big pdi file thats 1.48GB and its on to number 2 at around .15GB and that’s where it stops. Both on Beautiful Mind and Phatom Menance. I ran one movie (BM) successfully a few days without error on IC8, but now I get BSOD and that error message. I can run CloneDVD2, Intervideo, Nero Recode 2 all successfully without errors. I installed and unistalled it. Any ideas? TIA