Can`t Uprade v.11.x to v.12.x

Hi all.

I have some problem in time uprgate my Symantec  Endpoint product 11.x.

what i do:

1. Back up the database.
    
2. Turn off replication. -not use
    
3. If you have Symantec Network Access Control installed, enable local authentication. -not use
4. Stop the Symantec Endpoint Protection Manager service 

When i run setup.exe, after some time i have message: 

and my installation stoped aftet this.

Can you help me?