Aways getting "cannot start and has been deactivated."

It's a fresh install, and any module i try to enable, i get  :


hypeForum (guid: 44) cannot start and has been deactivated. Reason: Cannot include start.php for plugin hypeForum (guid: 44) at /var/www/elgg/mod/hypeForum.


I've already tryied chmod 777, 755, and no luck :( Aways getting on WSOD.. And please, let me know if there's any way of making Polls on 1.8.3.. i need to vote :]


thanks in advance