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Not so easily.<br />
You could start a non .NET based app (which will run without .net being installed) and have that check if the required .NET is already installed. &nbsp;If it isn't give your error message. &nbsp;If it is then it starts your real app and exits.
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Since the installation is from the internet is it possible to check in the server if the conncted computer has the Framwork ?
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i have a winform app.<br />
When trying to run the exe file at a computer with no framework installed at all, &nbsp;windows error <br />
message apear.<br />
I would like that my winform app will send another message indicating to the user that he has to install the framework.<br />
Is it possible?<br />

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i have a winform app.
When trying to run the exe file at a computer with no framework installed at all,  windows error 
message apear.
I would like that my winform app will send another message indicating to the user that he has to install the framework.
Is it possible?


Not so easily.
You could start a non .NET based app (which will run without .net being installed) and have that check if the required .NET is already installed.  If it isn&amp;#39;t give your error message.  If it is then it starts your real app and exits.

Since the installation is from the internet is it possible to check in the server if the conncted computer has the Framwork ?

winform when no framework

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).