Error 1920 when install crystal report enterprise in server 2008 64bit

The Reports enterprise 10 install goes fine, but when i near the end of the Enterprise 10 install, each of the services fails to start. the message for each is a pop-up that states Error 1920. Service 'Crystal Cache Server' (CasheServer) fiailed to start. Verify that you have sufficient privileges to start the system services. Could you please help me fix the problem?

Thanks & Regrade

Hieu