question about the sims2 university and nightlife

first I downloaded the sims 2 nightlife and it worked but when i installed the university without deleting nightlife it worked but without seeing the nightlife things in the game
and i want the 2 of them

and yeah another question
my comp won't open the game in the full screen mode it tell me this:
the application has crashed, the application will now terminate

so i open it windowed but i want it to be fullscreen

please help me i wanna play this game