Problem after install on laptop


I have Cubase VST CE and the disk and dongle.

I had it installed on an XP then Win 7 32 desktop okay.

Now I want it on my HP Pavilion dv63030 laptop Win 7 64

I put the cd in, clicket setup and it installed fine,

Now when I click on Programs/Cubase or icon I get a very quick flash of the screen then nothing.

What can i do to get it going please?