said by Whatsayu :
Just like the Hit Song "Call Them Maybe"
Or keep trying the Setup Wizard till you succeed. I think I had that problem once I took out battery pushed power button to drain mifi several times between running the setup wizard and finally it went through after many hours of repeating it.
Try loging in from within the mifi settings you can click on My Account near top left it will direct you to your online account login page...
If 1 year has passed to have to re-activate it like new again...
Well, When I click on my Account in the Mifi settings, It would open a seperate page and tries to log in, Instead, It just loads the same Mifi settings page. when trying to login via »www.virginmobileusa.com/
all I get is a page with An error has occurred while processing your request