This problem has a very simple solution. If you accidentally choose Do Not Grant Internet Access, you can go to Start, in the search bar type Allow a program through Windows Firewall and open the service resulted. In the new opened window, press the Change Settings button, search in the list provided the WolfQuest application and check the boxes next to it. If you couldn't find the program, click Allow another program button, search for the EXE file of the game and press Allow. This should solve your problem.