help fix this error plz

[Guest thomasu383]

i have a soft bricked hudl 2 

i was trying to root it when it happend 

i have tried to download this link: https://www.mediafire.com/?xd2xh1h858411rr on to my hudl 2 but i get this error

E:failed to verify whole-file signature from /tmp/update.tmp

E:signature verification failed