On Jan 20, 10:37*am, "J...@couldbeinvalid.com"
> Using FF 3.5.7 in W 7 Home Premium 64 bit and am hitting problems.
> After rebooting W 7 the option to restore previous tabs has dissappeared
> and is not longer in the menus. *Spome of the option tabs are blank.
> Any ideas?

Have you tried starting FF in safe mode with all add-ons disabled?
Tried creating a new profile and starting FF using the new profile?
If no, try that and let us know the results. if you have tried it
with no success, the problem obviously runs deep.