安装arcgis 9.0 时出现错误？如何解决

<P>安装arcgis 9.0 时出现错误/</P>
<P>....\Bin\XML supportUI.dll failed to register</P>
<P>....\Bin\**.dll failed to register</P>
<P>...</P>
<P>错误！</P>

<P>请高手指点，如何解决？</P>
<img src="images/post/smile/dvbbs/em08.gif" />

<P>更新msxml</P>
<P><a href="http://www.microsoft.com/downloads/details.aspx?FamilyID=3144b72b-b4f2-46da-b4b6-c5d7485f2b42;DisplayLang=zh-cn" target="_blank" >http://www.microsoft.com/downloads/details.aspx?FamilyID=3144b72b-b4f2-46da-b4b6-c5d7485f2b42;DisplayLang=zh-cn</A></P>

怎么更新？