Every time i navigate to a new page, i get a prompt asking for my windows username and password. I tried clearing my browser defaults, but the problem still exist. Also, selecting remember password did not work. Is there any solution for this? I suppose most(not all) users for my sharepoint site is having this problem. Thanks in advance.

Try adding to your intranet site...under ie pull down Tools > Internet Options. Then Security and the Local Intranet. Then [Sites] and [Advanced]. Add the site. Best regards, S'

Ummm, it's late here, check the iis settings for this site? Is it ssl?

@swirch - thank you for your help... We found the problem to be associated with the load balancer's session handling.. Now things work fine :)