Horizon Keeps Crashing upon Startup

I installed horizon V2.8 yesterday and it worked I tried it today and it works however I tried it a couple minutes later and it is crashing I check windows for the problem and it says incompatible program and It was working Idk why it says incompatible does anyone know how to fix this

My system is a Windows 8.1

I reinstalled it and I uninstalled it and installed it again and I got the same issue