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In the application properties you need to change the CPU type to 'Any' so that it will run on any 32/64 bit systems.
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In the application properties you need to change the CPU type to 'Any' so that it will run on any 32/64 bit systems.

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that worked. &nbsp;compiled with ver 4 instead of 4.5. &nbsp; thank u so much &nbsp;:-)
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that worked.  compiled with ver 4 instead of 4.5.   thank u so much  :-)

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Erm - then you accepted the wrong comment.
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Erm - then you accepted the wrong comment.

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Hello,<br />
<br />
I build a small application using visual studio express 2012. I'm using windows 7 64bit laptop. <br />
When I try to run this application on a windows xp 32bit, I get an error msg. <br />
..... <b>DataApp.exe is not a valid Win32 application</b><br />
<br />
can someone please tell me how to configure/build this app in visual studio so i can run it on 32bit machines?
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Hello,

I build a small application using visual studio express 2012. I'm using windows 7 64bit laptop. 
When I try to run this application on a windows xp 32bit, I get an error msg. 
..... DataApp.exe is not a valid Win32 application

can someone please tell me how to configure/build this app in visual studio so i can run it on 32bit machines?

visual studio 2012 express

The .NET Framework is not specific to any one programming language; rather, it includes a library of functions that allows developers to rapidly build applications. Several supported languages include C#, VB.NET, C++ or ASP.NET.

.NET Programming

C# is an object-oriented programming language created in conjunction with Microsoft’s .NET framework. Compilation is usually done into the Microsoft Intermediate Language (MSIL), which is then JIT-compiled to native code (and cached) during execution in the Common Language Runtime (CLR).