Many people had this Xtrap error,so if you still have that problem follow the steps bellow.

1-uninstall crossfire.
2-delete everything that is about crossfire, ex : z8games folder ..
3-If you have antivirus program make a litle scan of your whole computer ( recomanded )
4-Download crossfire from here : http://crossfire.z8games.com/downloads2.aspx
5- Enjoy playing !

If this helped please thank me if it gives the same error please type it down so i could help you