How to uninstall .NET framework on 2003 Server

Hi,
I have installed .Net app on a .net windows 2003 server. I was told that the machine had the .NET framework 1.1 already installed. However when i run the app i get the following error message.
COM object with CLSID {56FC8553-FACB-11D0-9336-0060979375D9} is either not valid or not registered.

I suspect the framework has not been installed properly because when i go to add/remove programs i cannot see >NET framework in the list.
However if i try to install FW 1.1  I get a msg saying it is already installed..
Cananyone tell me how i can uninstall FW 1.1 or suggest some other fix for the error msg above.
Thanks
anwarmirAsked:
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Bob LearnedCommented:
That is a COM error, and not a .NET framework error.  Does your application have reference to a COM library.  That library needs to be registered on the server.

Bob
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anwarmirAuthor Commented:
It might well do as I am told the application wac converted from VB6 to .NEt recently. Can you tell me how I can register the COM library?
Thanks
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Bob LearnedCommented:
What library is it looking for?

Bob
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anwarmirAuthor Commented:
Bob thanks for your halp..Ok the problem has been fixed has I had to install another app thyat the dll's were dependent upon. However i still cant seenm to uninstall the frame work  from control panel \add remove programs. I just don't see it in the list of items to remove. Do you know why?
Thanks
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Bob LearnedCommented:
Is there a reason that you need to uninstall the .NET framework?

Bob
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anwarmirAuthor Commented:
I just wanna be sure that The correct framework has been installed on the machine, SO I uninstall any previous versions and install the version i want
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