Hi ShootingFish86 and welcome aboard!
Lately the U-play version of the game has shown many compatibility issues. This is unfortunate indeed.
Probably someone else will pop up with a better suggestion, but I would recommend you to get another version of the game. Preferably the CD version, or even the Steam version, whose compatibility issues with TWoS have been finally solved. These days SH5 is so cheap that you can buy it (again) for the same price of a packet of cigarettes (I know, I know, smoking is not a good habit
).
Alternatively, you could try looking for a "trial" version of the game, if you know what I mean, and activate it with the credentials you bought from Uplay. That should work as well, you won't loose any functionality, and it wont cost to you any (extra) penny.