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Lync 2010 Hotfix KB 2496325 (64 bit)
Lync 2010 Hotfix KB 2496325 (32 bit)
Lync 2010 Attendee Hotfix KB 2500440 (User level install)
Lync 2010 Attendee Hotfix KB 2500438 (Admin level install)
Lync 2010 Group Chat Hotfix KB 2500446
Lync 2010 Attendant Hotfix KB 2496326