Why is my phone saying stock android stopped and popping up,tell me please!!!

[Android Central Question]

I have went thru 3 phones in a week stock android keeping popping up,there other phones it turned off, wouldn't come back on ,then other turn off butbtge phone was ringing with the phone off this I just got 5 days ago its working but the stock android is still popping up? Help

 

[belodion]

What three phones?