Please post in our 'Player Support' section of the forum, for assistance from fellow community members and Ubisoft Support agents, located here -

Player Support [EN]
Player Support [FR]
Player Support [DE]

In that section you will find a pinned thread with useful information such as Network Ports, Save file locations and settings file locations and other useful information for you convenience.

If you can not find the answer you are looking for in the forums, we also have other self help guides you can find by searching for your game title on our Ubisoft Support website - https://www.ubisoft.com/help

You can also always reach out to us via our other support channels too for further help with your game, here -

Ubisoft Support Website - https://www.ubisoft.com/en-gb/help/contact
Twitter Support - https://twitter.com/UbisoftSupport
Facebook Support - https://www.facebook.com/UbisoftSupportUK/

-Ubisoft Support