That means u forgot your gamespy account login... Make sure you are using same gamespy account u used for the game before, your cd key is still good but you have to use the gamespy/IGN account that you have used before to play MoW/MoWAS also dont mix up the mow games. IGN is official way to login to your gamespy account but make sure you have proper account that you are using, best way to possibly find out what names u have on your gamespy account is through this old method(IGN took over so they dont allow as many options any more):
http://digitalmindsoft.eu/forums/sho...l=1#post235145
Also remember that CAPS LOCK doesnt work in mowas i think so if u you ahve capital letters in password make sure to use shift, you may have email or nickname wrong, try the method above link