These links will help solve your problems.
If you do not see what you need use the search engine provided under find button.

Main Links.
Sign in First then press the link below.
http://ubisoft-en.custhelp.com/cgi-bin/ubisoft_en.cfg/php/enduser/std_alp.php

FAQ (Questions/Answers)
Search our knowledge base for answers to the most Frequently Asked Questions about our games, for further information send a web-mail to our support team by selecting "Ask a Question" at our solution centre.

Before submitting your web-mail, please make sure you include all information regarding your operating system, the problem and the game you are playing.

Game Links Forums.
http://forums.ubi.com/eve/forums/a/cfrm/f/347107822

Game Links Best of the Best topics.
http://forums.ubi.com/eve/forums/a/tpc/f/2791043913/m/2481093236

If after looking through all the above posts, you find no answer post below with your problem.

Thank You.