Remove the following files from Nutscape Program folder.
Have you compromised Nutscape security or enhanced it?
bpref32.dll Netscape Preferences Library
edpref32.dll Netscape Preferences Library
lipref32.dll Netscape Preferences Library
mnpref32.dll Netscape Preferences Library
nsdlg32.dll Netscape Preferences Library
prefui32.dll Netscape Preferences Library
Regards,
