corrupt profile

Since I've been having massive problems with FF, I decided to give MozBackup a try. However, it says that I have a corrupt profile. I removed all traces of FF, reinstalled it fresh , and it still says I have a corrupt profile. I tried installing FF on my local drive instead of my USB drive, so I know it's not a USB drive problem. What is going on?

EDIT: I was able to use Toucan to backup my profile, so it's probably a MozBackup issue. Never mind.