After update extra+info app won't open?

Sadly you may have to implement a phone reset from settings\about\reset your phone\

If you do this ... accomplish a back-up right before the reset especially if have 8.1 GDR1 installed...
 
Sadly you may have to implement a phone reset from settings\about\reset your phone\

If you do this ... accomplish a back-up right before the reset especially if have 8.1 GDR1 installed...

Oh what the hell Microsoft os how much time I do reset when there have problem reset only one way to do solve this problem.Next time won't buy wp devices first and last.
 
I am also facing this issue. Tried a SOft Reset, did not help! Is the Hard RESET last option left now? It was working before today. Any suggestions?