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I know the .NET runtime is required to run .NET apps. I know that on Windows 8, the OS will detect that it needs a specific version and install it before the app runs, but what happens on Windows 7?

Will the app just crash with no good explanation, or gracefully with a prompt to install .NET?

If it matters, I'm wondering about 4.0. I'm assuming that the computer has Windows 7 and its automatic updates installed as well as SP1.

Owen Johnson
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2 Answers2

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Windows will present an error message if the proper framework is not installed. Here is a screenshot of the error message I got when I tried to run an .NET 4.0 app on Windows 7 without .NET 4.

Error Dialog

heavyd
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Dot net should be installed by default. In windows 7, 3.5 should be there by default. In Win8 4.0 should be there by default. If you need 4, install 4.

http://en.wikipedia.org/wiki/.NET_Framework

MDT Guy
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