BuddyPress.org

Sorry, was a mistake. I meant to said yes, because always i could upload files with WPMU, but not avatars with BuddyPress

<b>5. Was WPMU functioning properly before installing/upgrading BuddyPress?

A. Yes<b>

I think isn’t related with permissions because… look at its permission:

chmod 777 -R /var/www/html/SITE/wp-content/blogs.dir/

I did it myself