Is your scripts from the same version of Winrunner? I think you might have checked the basics. Winrunner has a lot of problems with IE 5.5 to 6.0.
What is in your scripts? Is it like micunknown classes?. Your version of IE wont work with Winrunner 6.0. Use IE 5.0 or 4.5 or Netscape 4.7. Then open the browser with the invoke broowser function just to be sure
[This message has been edited by anoopt (edited 09-06-2002).]