I am having some problems with the IIS. Occasionally, the Asp Pages
stops to execute while the Html pages run at the same time. I was stopping
& restarting the WWW services and then the ASP pages were running properly.

At the time when the ASP pages stoped running, only 40% of the resources
of the server were being accessed at that time. The RAM is 512 M.B. Also
there is no fire wall in between.

Can someone please let me know what could be the problem and how do i resolve
it.