Hi Dirk,
Can you expand a little on the issue? When you say "login on AOL", you mean the browser supplied by AOL? Also, can you eventually log in with it, or does it not work at all?
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.11) Gecko/2009060215 Firefox/3.0.11