Crash after update from beta build to release; Intel Processor, 2 bugs

1:
So i upgraded to the latest version on my tablet, just after the installation, i tried to open it but it crashed, i have tried every solution that had worked in the past but no chance

2:
I also was aware of a bug when trying to create a car that was possible to make on the 1.8 Update(PC) it crash after puting the redstone block

Device: Dell Venue 8 3830