安装silverlight的错误
我安装silverlight4的时候出现

Installation Requirements:

Visual Studio 2010 RC or Visual Web Developer Express 2010 RC or Visual Phone Developer Express 2010 that matches the language version of Silverlight Tools 4 must be installed before installation of Silverlight Tools can continue. Silverlight Tools is available in other languages at <A HREF="http://go.microsoft.com/fwlink/?LinkId=177432">http://go.microsoft.com/fwlink/?LinkId=177432</A>.


错误。。为什么啊，，我已经安装了VS2010了

[解决办法]