Unable tio install symantec endpoint protection version 11.0.6 -- windows 7 - 32 bit?

Showing :: the wizard was interrupted before symantec endpoint protection could be completely installed, please close and try to run setup again......... i tried install the lusetup.exe and it complete successfully and then after rebooting & without reebooting all the way i tried to run setup.exe but getting the msg as starting i said before;;; the wizard was interrupted before......... pls help