Problem with CRM 4.0 outlook client & Outlook 2010Beta

Dear All,

In my laptop I have windows-7 & office 2010 Beta. Today when I tried to install CRM client for Outlook its giving
error "Setup failed to determine whether a supported version of Microsoft Outlook is installed"

What should I do? Can any one give me some solution?

You can mail me at susanta_rony@yahoo.com

Sushanta