Thank you for the reply.
I tried what you said and got the following message box:

"C:\Perl\site\lib\auto\HTML\Parser\Parser.dll was loaded, but the DllUnregisterServer entry point was not found.

DllUnregisterServer may not be exported, or a corrupt version of the C:\Perl\site\lib\auto\HTML\Parser\Parser.dll may be in memory. Consider using PView to detect and remove it."

I did not use Pview per say, but another process viewer to remove any instance of the .dll in memory. This did not resolve the original message above, as I got the same message the next time I ran your suggested regsvr32 command.