Xara Xtreme not working

Hi. I'm trying to install the Xara Xtreme, but it's being problematic. When I start it, the splash screen appears, and then this message:

(Just pretend the black blobs are the username)
What does this mean, and how can I get Xara Xtreme to run? I'm using Ubuntu MATE 15.10 Wily Werewolf.

It hasn’t been supported for years and that is most likely the reason it isn’t working correctly?:

(The above link is for Ubuntu 13.10!). :frowning: