如果安装过程中有下列信息，你需要安装Windows Installer 的升级:
Error 0 running command msiexec.exe /i moxsetup.msi
This installation package cannot be installed by the Windows installer service. You must install a Windows service pack that contains a newer version of the Windows installer service.
这里是升级的地方
http://www.microsoft.com/downloads/release.asp?releaseid=32832
如果征求是 Repair 还是 Remove MIDI-OX,选择 Remove 并运行自解压安装器
XP所用的软MIDI接口下载