Hello Grizzlee,
Welcome to the HP Forums! I hope you enjoy your stay!
I understand your Start Screen apps won't open. I will do what I can to assist you, but I require the following information:
1. The computer's model number. If you require assistance locating this information, please reference this website: Locating the Model Number of the Computer
2. The computer's operating system. If you require assistance locating this information, please reference this website to determine your Windows operating system.
3. Have you installed any new hardware on this computer, before the issue appeared?
4. Have you installed any new software or drivers on this computer, before the issue appeared?
Thanks for choosing the HP Forums. Have a great day!
Mario