Friends plugin and Classipress don't play nice together.

when activating classipress i got the following error.
Fatal error:
Cannot redeclare widget_friends_control() (previously declared in /home/mtbmtbco/public_html/wp-content/plugins/friends/friends.php:1812) in /home/mtbmtbco/public_html/wp-content/plugins/friends/friends.php on line 1811

I renamed the friends plugin and it worked fine, then once changed to original name i get the same error. will the friends plugin update if I change the name permanently?