OK... long time ago the same happened to my Passport..... follow the steps but.... be patient...

Connect your Passport to computer and OPEN Blackberry Link

PRESS and keep it pressed the Power button...the BB Passport try to reboot for 3 or 4 times and showing the security wipe screen... remember...always pressing power button never release.....the LED light will be always RED

After a few attempts of rebooting, in the Passport screen you will see a YELLOW triangle with the danger signal (!) inside and the words "www.bberror.com/bb10-0015" and the LED light changes to GREEN...... Hurrah.....

On your computer BB Link shows that you've a Passport connected... Choose the option RELOAD

NOW.... just wait and.... after a few minutes.....Install again all your emails....apps....etc.....