这个问题怎么解决？

标题: SQL Server Setup failure.
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SQL Server Setup has encountered the following error:


SQL Server 2008 setup100.exe and setuppatch.exe cannot be run in this mode. If you are running setup100.exe, start setup.exe instead. If you are running setuppatch.exe, run it from the command prompt, as the user interface is not supported for this action. For more information about Setup, see SQL Server Books Online.


Error code 0x84B20001.


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