Microsoft small business knowledge base

Article ID: 189033 - Last Review: October 9, 2013 - Revision: 3.3

Hotfix Download Available
View and request hotfix downloads
This article was previously published under Q189033
This article has been archived. It is offered "as is" and will no longer be updated.


If you are using Windows NT Challenge/Response (NTLM) authentication on your proxy server but a remote Web server uses Basic authentication, Internet Explorer may prompt you for your credentials one more time than is necessary. This behavior occurs with Internet Explorer 4.01 Service Pack 1 or the version of Internet Explorer included in Windows 98.


To resolve this problem, obtain and install Internet Explorer 4.01 Service Pack 2. You can obtain Internet Explorer 4.01 Service Pack 2 from the following Microsoft Web site: (

  • Microsoft Internet Explorer 4.01 128-Bit Edition
  • Microsoft Windows 98 Standard Edition
kbnosurvey kbarchive kbhotfixserver kbqfe kbenv kbprb KB189033
Additional support options
Ask The Microsoft Small Business Support Community
Contact Microsoft Small Business Support
Find Microsoft Small Business Support Certified Partner
Find a Microsoft Store For In-Person Small Business Support