求助,安装Delphi XE2 update2的时候总是出现下面提示 Error The installer has encountered an unexepted error installing this package. This may indicate a problem with this package. The error code is 2908. google过了,没看见xe2会出现这样的问题,莫非是我机器问题? ps:.Net 2.0 sp2、 .Net 3.0 sp2、