Well here's the story: I used Drive Genius 2 (from DVD) to defrag my HDD and I think it did but in addition to that it apparently messed everything up so I couldn't boot from it = I had to do a restore from my Time Machine backup and so I did but then everything got messed up in terms of permissions, and after a restart - well, it didn't start so, once again, same restore from Time Machine, and this time everything seems fine, except for the fact that my backup drive tells me that I have no access to it - I have no permission to even open it! And thus I can't use it as a backup or anything else, it's a 1TB useless disk! Question: Is there any way to "regain" access to my HDD? Any way to have it continue as a backup drive without deleting the "old" backups stored on it now? P.S.: Not sure if this is relevant, but I also have a small 60GB BootCamp partition with Vista o) on the 1TB backup drive.