BuddyPress.org

@mercime

=== WP / BP, yes they are installed in root, and P2 is activated on secondary blog http://yoursite.com/site2
=== No BP-default is selected for main. On Blog 2 Dashboard if I try to select P2 on appearance > theme it don’t let me select P2
===Yes Blog 2 should use P2
===No Blog 1 should use BP-default and Blog 2 P2

How can I send you our website url, userid, password, maybe you can check it or have a better view of the problem ?

Thanks for trying to help.
Regards,