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COM Error when loading compiled program on other machines

Posted on 2008-11-02
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Last Modified: 2013-12-17
Im using the SDK for the DYMO Label printer, what ive noticed is that when I build a project and then install it on a different machine, it will load correctly but when I start the program I get an error: REtriving COM Class factory for component with CLSID {09DAFAE2-8EB0-11D@-8E5D-00A02415E90F} failed due to the foolowing registry error 80040154.

When I load the DYMO hardware drivers on the same machine the error goes away, however some users may not have a DYMO printer and thus I need it to work without the drivers

Can anyone suggest anything?
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Question by:cmdolcet
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Expert Comment

by:graye
ID: 22861561
So, that means you'll need to dynamically load the DLL after you've determined if the client PC has the drivers installed.
There are several examples on the Internet, here is a simple one:  http://blogs.msdn.com/jonathanswift/archive/2006/10/03/Dynamically-calling-an-unmanaged-dll-from-.NET-_2800_C_23002900_.aspx
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by:cmdolcet
ID: 22866726
Cant I just embed the .dll inside the compiled program?
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by:graye
ID: 22868834
Well, I was assuming that there was a lot of dependencies between the DLL and the "drivers".    So, including the DLL in the assembly (either as a discrete DLL or embedded) might not do the trick.
I'd recommend a quick test where you just alter the "Copy Local" property of the DLL in the References section to see
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by:cmdolcet
ID: 22879363
How do I do that?
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graye earned 1000 total points
ID: 22880771
By going to the Reference "folder" in the Solution Explorer (typically in the upper right-hand corner, navigating to the reference in question, doing a right-click to get to the properties, then changing the Copy Local property to True
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