AOL's fix as of today is to install a beta version of AIM.
Quote from article
Windows versions of AOL Instant Messenger (AIM) contain a vulnerability attackers could use to compromise computers and launch arbitrary code. Dulles, Va.-based America Online Inc. recommends users upgrade to the latest beta version of AIM released this week.
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Article at
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searchsecurity.techtarget.com/or···00.htmlSecunia provides a bit more advice
Quote from Secunia advisory;
Solution: The vendor has contacted Secunia and recommends that users install a beta version, which addresses the vulnerability, or remove support for the "aim:" URI handler by deleting the "HKEY_CLASSES_ROOT\aim" registry key.
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Secunia advisory at
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secunia.com/advisories/12198 
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