Turn the heat up!! Just kidding ...
Check the version you are using ... 8 or 9 I think are the first to actually
"support" XP. Provide more info if you can ... I have been using AOL on XP
since it came out (XP) and have actually had no troubles (except with the
dial up method of connecting and that was not related to XP directly and is
fixed), I use cable modem to connect at the time and it works fine.