[COLOR=red]MS Security Patch is not installed on this system.
For this WinCC Version, the following software is required:
WindowsXP SP 2 KB319740
Please run the installation of MS-Security Patch from your MS Tools - CD.[/color]这个补丁我很难找到啊
"Operation of WinCC under Windows XP SP2 has been released for WinCC clients with deactivated firewall only.
You must deactivate the firewall manually."