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Asked: 2026-05-24T01:17:07+00:00

I have an executable build with Visual Studio 2005 using C#. dumpbin reports that

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I have an executable build with Visual Studio 2005 using C#. dumpbin reports that it is x86 and it is claimed that it was built as a x86 target. However, when I try executing it, it somehow becomes a 64bit executable as reported by task manager, process explorer and procmon shows that it loads Framework64. And it fails eventually due to failure to load a 32bit DLL.
What could cause this behavior?

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1 Answer

  1. Editorial Team

    You are building it with the AnyCPU target. If you want it to be x86 even on a 64 bit system, then you must target x86.

    When you target AnyCPU, the loader runs the process as a 64 bit process on a 64 bit system, but a 32 bit process on a 32 bit system.

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