A popup appears saying that youtube has stopped

I keep on getting this popup that says: “Unfortunately, Youtube has stopped.” I press “ok” and five seconds later it would appear again. I have tried to power it off, but that did not work. i have not downloaded the Youtube app, which is very confusing as to why it says that notification, when i don’t even have the app, and Safe Mode is not available, as the device is old. I do not know for sure what model it is, but i am unable to access anything on the device, please help