my phone lumia 535 screen will be locked after updating to windows 10

[WPCentral Question]

my device is lumia 535 it was updated to windows 10 and my screen willbe locked and it said due to secuirty reasons your phone willbe locked and connect to power source for at least 2 hours

 

[pisces10]

Mine also same error. It has been locked.
What can be done

 

[dubor99]

Was it fully charged before u started the process?