Requisitos del sistema
Sistemas operativos compatibles: Windows 2000 Service Pack 3; Windows 2000 Service Pack 4; Windows Server 2003; Windows XP; Windows XP Service Pack 1; Windows XP Service Pack 2
Windows Installer 3.1 Redistributable supports Windows 2000 with Service Pack 3 or later, Windows XP, Windows XP Service Pack 1, Windows XP Service Pack 2 and Windows Server 2003. Windows Server 2003 Service Pack 1 contains Windows Installer 3.1 and therefore can't be installed or upgraded by this redistributable, bajatelo de microsoft. saludos.