Hi, I just had my main laptop (MBP) crash. Won't boot anymore. So am using my old Macbook with OS 10.7 installed. Today I used Disk Doctor twice, trying to reformat two external hard-drives. On both occasions, formatting the drive failed. The error message was "Mediakit reports driver bundle not found". One drive was a Crucial M4 SSD (256GB), the other is a Seagate Momentus 500GB, both in DIFFERENT external enclosures. So I'm pretty sure the problem lies with my system / OS. Whatever I tried I could not get to format the hard drives, and on both drives I lost the initial partition. I also can't repartition it... I tried Drive Genius same problem. I tried Disk Drill, and Disk Drill at least finds the old partitions. I am not worried about data loss I just want to format the drive. (Or recover the partition, and if there's no way of formatting it I'll just delete the files that are on the drives...) Has anyone got any recommendation on how to proceed? 2 different drives 2 different softwares (Drive Genius / Disk Doctor), and I just can't format a drive. How weird is THAT????