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Editorial Team
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Asked: 2026-05-26T23:32:16+00:00

My question is why would a .net program operate differently between different computers (both

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My question is why would a .net program operate differently between different computers (both with the same OS)?

Here is the background info:

  1. I have built a large .NET 4 application in C#.
  2. I have created an installer and installed the application.
  3. I have ran the application on a virtual machine under Windows 7 64bit; it works fine.
  4. I have created a default unhandled exception dialog which I can force with a menu option that calls throw new Exception(“Forced exception for testing.”);

Now this dialog works if the unfortuniate does happen etc…

BUT,

When I install this application on another workstation that has Win 7 64bit then the software does not handle the exception in the same way and it crashes at various points that my test version does not?

We are trying a re-install of the .NET framework.

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1 Answer

  1. Editorial Team

    There are many reasons why this could be happening and I would check first in the OS event logs to see if they give you any pointers on where to look.

    The obvious points to check:
    Debug/Release build.

    OS patch mismatch (particularly involving .NET)

    NET version mismatch.

    DLL dependency version mismatches.

    Dependent DLLs not correctly registered.

    Mismatch in paths for items.

    Anti-virus software.

    Hardware related differences.

    And a big bugbear on Vista/Windows 7 program access rights for the program.

    I would start by installing a release version of the program on your development machine.

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