#1 Report the non-working application to the Technet forums
#2 What are you using Norton360 for anyways? It isn't very efficient and slows down your system.
#3 Try AVG Free, Nod32 or Kaspersky
Try to run the program in compatibility mode. Right click the EXE file and select "Troubleshoot Compatibility." If that doesn't work, then you'll have to wait until Symantec officially supports the OS.
I wouldn't reccomend using an antivirus in compatability mode as its a key programme you want it fully integrated and I imagine compatibility mode won't provide this.