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I have created an application with VB 2010. My computer runs under Windows Vista. I created the .EXE file as well; simulated an installation and everything works fine. But when I try to install the application in a computer that runs under Windows 7, I get an error message and the application won't install. How can I get the application to run under Win7?

user1508091
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    Can you post the error message? Is it because of a lack of the `.NET Framework`? – David B Jul 07 '12 at 01:44
  • I can't right now. I didn't write it down. But my VB is .NET Framework and supposedly it automatically install the .NET Framework with the application. Or so I read... Sorry I cannot give you more details. I'm new in all this programming world and my knowledge is limited. could it be anything else? – user1508091 Jul 07 '12 at 02:06
  • The error message is the most important part, you should go and try it again and record the message. But unless you specifically wrote a part of the application *not* using `.NET`, then it won't install the framework for you. I would try downloading the `.NET Framework` on your Win7 PC and trying again. – David B Jul 07 '12 at 02:08
  • And how can I verify if my VB is or is not compiling applications that are able to install the framework? – user1508091 Jul 07 '12 at 02:22
  • [This question may help you with that](http://stackoverflow.com/q/8073399/451590). – David B Jul 07 '12 at 02:23
  • No problem- I have transposed our comment stream to an answer. If it helped you, remember to "accept" it by clicking the green checkmark. – David B Jul 07 '12 at 05:35

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You want to be sure you have the .NET Framework installed on the PC, since VB.NET (and C#, etc.) use the .NET Framework to interact with the CLR, which is not included with Windows by default.

You can either set-up your installer to install the .NET Framework on its own or download the framework separately.

Community
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David B
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  • I always find it easy on client machines to run windows update to get the updated .NET frameworks. – Saif Khan Jul 07 '12 at 05:45
  • +1 The .Net framework is an [optional part of Windows](http://blogs.msdn.com/b/oldnewthing/archive/2011/04/04/10149346.aspx). It might need to be installed. – MarkJ Jul 07 '12 at 11:18