新手~我的ARC Engine 怎么装不上?

<P>我下了个 ArcGIS Engine 9.2 Developer Kit,选择安装</P>
<P>ArcGIS Engine 9.2 Developer Kit for Microsoft Visual C++,它提示我</P>
<P>ArcGIS Engine 9.2 SDK for Visaul C++   need Arc Gis runtime 9.2 <STRONG><EM>or  </EM></STRONG>ArcGIS  Desktop 9.2,</P>
<P>可是我已经装过ArcGIS  Desktop 9.2,了呀.</P>
<P>怎么回事啊,哪位过来人给点指导?</P>
<P>谢谢!</P>