>I am working on an approach to deal with the following error message my customers sometimes get:
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>COMDLG32.OCX is not installed on this computer
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>The first thing I need to do is to be able to duplicate the problem on my PC. Therefore, I think I need to unregister this .OCX. I ran the following command at the command prompt:
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>REGSVR32 -u COMDLG32.OCX
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>The command was successfully completed. But when I run my application, I still get no error message. That is, COMDLG32.OCX loads without a problem.
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>How can I simulate on my PC the above error with COMDLG32.OCX?
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>Thank you.

Another thing, a good way to test for these types of things is to try and instantiate an object of the desired control within a TRY, CATCH, ENDTRY block so that you can take appropaite action and/or inform the user.