You probable need some updates from MS.
Determining Which Version of Internet Explorer You Are Using
All versions of Internet Explorer 5 that are customized with Microsoft
Internet Explorer Administration Kit (IEAK) include one of the following
strings after the version number when you click About on the Help menu:
IC = Internet Content Provider
IS = Internet Service Provider
CO = Corporate Administrator
http://support.microsoft.com/?kbid=164539 (10/9/2003)

Signature
Henri Leboeuf
Web page: http://www.generation.net/~hleboeuf/index.htm
> my current 5.00.2614.3500
> I need min. 5.00.2919.6306
> my windows 98 second edtition
> thanks