Cannot Install Internet Security 2009

 Hi all

 

 

When I try to install NIS 2009 it show the screen "Initializing" and after two seconds the Window closes, without any further installation.

 

 

I have uninstalled NIS 2008, and habe alread tried to disable Windows Defender & Firewall.

 

I use Vista Home Premium.

 

 

Could any one help, please?

 

 

Thanks a lot in advance.