Express hangs indefinitely after valid Login Attempt After entering a valid UserID and Password at the Login screen of Express, it hangs indefinitely. This error can occur with Norton anti-virus or similar script blocking software installed. Verify that Norton anti-virus has "Script blocking" disabled. If script blocking is enabled, it will block MailSite Express from executing. Alternatively, you can configure Norton Anti-Virus to ignore Scripts within the Express directories only. Refer to your documentation.