Program can't find dll file

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I have a C# COM assembly that uses a C++ rapper to communicate with another program. Every thing works just fine on the machine that I build the C#/C++ assembly on but when I try to use assembly on another machine I keep getting the error message that the .dll cannot be found.

Does anyone have any idea what is going on here?

Posted 21-Nov-11 12:09pm

d.allen101

Updated 21-Nov-11 12:10pm

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Arun Kumar K S 21-Nov-11 21:50pm

Register your dll in your client machine to get correct path

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Sergey Alexandrovich Kryukov · Accepted Answer · 2011-11-21T15:32:00

Solution 2

In addition to the correct advice by Philippe Mori: you really need to make sure all the executable your application depends on are available and placed in proper location. To figure out these dependencies, use Microsoft Dependency Walker:
http://en.wikipedia.org/wiki/Dependency_Walker[^],
http://msdn.microsoft.com/en-us/magazine/bb985842.aspx[^],
http://www.dependencywalker.com/[^] (here you can download it).

—SA

Posted 21-Nov-11 15:32pm

Sergey Alexandrovich Kryukov

Comments

d.allen101 21-Nov-11 22:34pm

THANKS! that was it. I didn't have all the dependencies.

Sergey Alexandrovich Kryukov 22-Nov-11 0:16am

Great! If so, will you please accept this answer formally (green button); you can accept more then one -- thanks.
--SA

Philippe Mori · Accepted Answer · 2011-11-21T12:24:00

Solution 1

First verify the the DLL is actually installed at the proper location. Then ensure that all dependencies are also installed (for example, the appropriate version of the C++ run-time library)

Posted 21-Nov-11 12:24pm

Philippe Mori

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Sergey Alexandrovich Kryukov 21-Nov-11 21:33pm

I voted 5 for this advice and credited it in my solution where I just add an important item to it: using Dependency Walker, please see.
--SA