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Asked: 2026-05-16T03:49:05+00:00

I have a 32 bit COM component DLL and this DLL is written in

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I have a 32 bit COM component DLL and this DLL is written in Delphi.
It’s a Win32 DLL.
I want to use this DLL in my Visual C# project on .NET platform.

I can’t add reference to this DLL in the project.
I try to register it in Command Prompt as Administrator in Windows 7 64 bit, but I get this error:

Check if the module is compatible with an x86 (32-bit) or x64 (64-bit) version of regsvr32.exe.

First I put DLL file to windows/system32 folder. Then I open Command Prompt as Administrator. I write regsvr32 huginalpha.dll and execute this command. But I get the error. what can I do?

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1 Answer

  1. Editorial Team

    The problem is likely you try to register a 32-bit library with 64-bit version of regsvr32. See this KB article – you need to run regsvr32 from windows\SysWOW64 for 32-bit libraries.

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