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Can't register UFL dll. Missing WER.DLL and IESHIMS.DLL


I don't think this is directly related to Crystal Reports, but I am unable to create User Defined Functions.

I created a very basic function. I built the DLL in Visual Basic from Visual Studio 2008 on a Windows XP machine. When I try to register the DLL, I get a message saying the DLLInstallEntryPoint was not found. Using the Dependancy Walker tool It shows that it can not find the WER.DLL file and the IESHIMS.DLL files. I have googled everywhere to get an answer on this. It appears to be a common problem but no published answers.

Any help would be much appreciated.



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  • Best Answer
    Posted on May 17, 2010 at 07:45 PM

    Moved to .NET Development - Crystal Reports forum.

    See if the blog [Creating Crystal reports User Function Libraries (UFL) with Visual Studio .NET|] [original link is broken] [original link is broken] [original link is broken]; will be of help.


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