问题：
[单选题]
You perform an in-place upgrade on a Microsoft Windows XP Service Pack 2 (SP2) computer to Windows Vista.
After the upgrade, you attempt to run a custom application. You receive the following error message: “This application is only designed to run on Windows XP or later.”
You need to run the application on Windows Vista.
What should you do?（）
A、A
B、B
C、C
D、D
参考答案：
D
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