I'm unable to access my Home Screen when hitting the icon. I end up with a

[AC Question]

By swiping down the upper right corner of my Android tablet screen, I'm able to access the Settings, and that's the only way I'm currently able to access my apps. Launcher3 shows that it has launched , but I still get the screen saying it has stopped. I've tried Force Stop a couple of times, but it hasn't helped. Just don't know why I can't access my Home Screen.