Everytime I try to update a plugin and WP

Everytime I try to update the plugins — with auto update — I get the following error —

If I try to upgrade WP 3.5.2 I get the same error –the upgrade directory is set to 755 — I also tried settting it to 775 and the same thing happens — any ideaas??

downloading from …..

unpacking the update —

could not create directory –../wp-content/upgrade/wordpress-3.tmp —

Installation failed

on the plugins it has a different tmp file but the same error