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Asked: 2026-05-15T19:04:00+00:00

OK, here is my weirdness for today. I create extensions to an existing C++

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OK, here is my weirdness for today.
I create extensions to an existing C++ program that I DO NOT have access to the source code.

I write standard C/C++ dlls and I use IJW to call C# dlls. I have not done this in awhile, but now I’m trying to get one to work on Window 7. I get an error (Error 0000036B1 – Not sure if that is an internal error number to the application, or a windows error.

I’ve got multiple virtual pcs (XP and Windows 7) The dll works just fine on XP. It also works on Windows 7 if Visual Studio 2008 is installed. but not on a clean Windows 7 with just the Microsoft Visual C++ 2008 SP1 Redistributable Package installed.

I can compile and run straight C++ dlls on the clean Windows 7 box as long as the compiler switch is set to MT[d] but if I set the /clr switch, I must change that to MD[d] and then it fails on the clean Windows 7 box. But, not on the Windows 7 box with Visual Studio 2008 installed.

Any ideas on what I need to install on the clean box? (other than VS of course 😉 )

Thanks for your help.

L. Lee Saunders

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1 Answer

  1. Editorial Team

    OK this is bad. Someone pointed out that the files I needed were the debug versions and that meant that I had compiled my dll in debug mode. He suggested that I try release mode.

    So, with a new copy of my Virtual PC running Windows 7 Basic (this the 3.5 C++ redist installed) I copied over my original dll (the one in debug mode) just to verify that this Virtual PC had the issue. Yep it did.

    Then I copied over a dll that was compiled in Release mode. It worked.

    Ok, I officially want to pound my head on a wall.

    Thanks for your time.

    L. Lee Saunders

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