hi
I have purchased for bd av 2009 for 3 pc ..
and honestly the process of installing bd is too hard ! 
it's run now in 2 pc ok after I made format for one of them
but I still can not install it in the 3rd ..
I made format ,, I have used Windows Install Clean Up for uninstall Nort*n .. I have delete any nort*n related files!! and I did thousand of restart and still not working !
I keep get msg that said " setup was unable to find the package bdav.msi ... " and ask for online av scanner !!
plz tell me what to do!!