Device activation error...

When i try to restore account database... i've this error...

[Only registered and activated users can see links. Click Here To Register...]

what i've to do??

p.s. i've started sql server service manager
p.s.2 sorry for my bad english... i'm italian

ok right section now XD why u dun just waited till a Mod move it XD
u dun named it wrong try to rename it then it should work

i've already tryed to rename it... but i've also the problem...

edit:

mod close... i solved my problem xD

i haven't modifyed directory in restore database/options

u dont try to back up .mdf files all backup files shud have .bak extension.