可爱的版主，上面的问题解决，原来提.net 2.0被禁用。
现在的问题是，安装的第一个页面出来后点下一步，提示：
Server Error in '/cmnew' Application.
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Object reference not set to an instance of an object.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
。。。
