"Error in loading dll" when Making ActiveX DLL

I'm working on a VB6 COM addin. After some modifications and a few
weeks time, I tried to remake the DLL using VS. This resulted in a
"Error in loading dll" dialog box.

I was doing this to package it into an msi using Visual Studio
Installer. I was still able to make the msi, even with the original dll
error. However, when I try to install I get the following:

Error 1904. Module C:\Program Files\xxx Plug-in\xxxPlugin.dll failed
to register.
HRESULT -2147467259. Contact your support personnel.

I am able to continue with the installation, and the plug-in works
correctly, but I need to get rid of this error. Trying to use RegSvr32
to manually register the dll results in:

DllRegisterServer in xxxPlug-in.dll failed.
Return code was :0x80004005

I've searched usenet and the web but can't seem to find anyone with
this exact problem, although there seem to be a lot of related issues.
What's going on? Any ideas? Any more information that I can provide?

Thanks.

--
matt

.

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