Open up your Control Panel, located in the Start menu. Depending on which Operating system you use and which layout, it might look differently. But Windows firewall should be in the category "security," or just find the text, "Windows firewall" or "Allow a program through windows firewall". This should take you to the correct place.
Once there you'll get a new window with a list of programs. Try to locate FeralHeart.exe in there and add it to exceptions by marking the checkbox. If you can't find it, and the game to the list by yourself by pressing "add program."
First of all, make sure you have downloaded the update, which can be found here: Downloads (http://www.feral-heart.com/index.php?option=com_content&view=article&id=23&Itemid=40) (If you do not download the update, your character will be in the black map regardless.)
After doing so, go to http://feral-heart.com/login/ (http://feral-heart.com/login/) and you should see this screen:
(http://i.imgur.com/2QPpwx2.png)
Click here.
(http://i.imgur.com/o4sx1c0.png)
Log into your account when prompted. You should see a screen with a list of your characters' names, like so.
(http://i.imgur.com/E5TgZ2P.png)
Select 'Reset Home' for all of your characters, multiple times if you wish. Then, select 'Go Home' for each character.
Go back to http://feral-heart.com/login/ (http://feral-heart.com/login/) and log into your account straight from there. Without minimizing your tab, open up your updated game and hop on your character. Everything should be good to go! Enjoy exploring!