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class not registered error in Visual Studio 2003

Former Member
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Post Author: LenReinhart

CA Forum: .NET

I have an report that has been running in an application for the last couple years. There is an error in the application that I fixed, but now the report is not running against the production database and I wanted to look at a report in the editor and double clicked on the report in Visual Studio 2003. I got an error pop up "Class not registered" but that was it, no option to enter a registration code or anything. I had previously registered but tried going through that process and was told that it had been previously registered. I developed this report on this machine, so I am wondering if some patch that I applied caused this problem. It has been awhile since I have opened this report in an editor.Any light you can shine on this would be appreciated. Thanks,Len

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Accepted Solutions (1)

Former Member
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Post Author: MJ@BOBJ

CA Forum: .NET

Typically that error is referring to a COM dll that is not being loaded because it is not registered on the system. Usually, that error message will give you a dll name, or a PROGID, or something.....was anything else provided in the error?

In order for a file to be unregistered, something might have been uninstalled (or a failed install) that could have caused this issue. I did a search in kbase and found a article that may help, at least it refers to a dll that you can try to register.

Perhaps doing a reinstall may resolve the error.

-MJ

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