Windows IE needs to refresh after HTTP proxy authentication in order for the browser to display a Web page.ADDITIONAL INFORMATION:
When I run the Web browser I get a prompt to enter user name. I enter the user name and password, the RF660 seems to authenticate, but then the browser will show the "page cannot be displayed message" for the website I wish to browse. When I hit the refresh button, the browser will then take me to the correct web page and everything is fine.
Here is a patch from Microsoft that will fix the problem you are seeing: