File permissions for wp-minify plugin
toscho is right. So you could probably give a try to another plugin. The Better WordPress Minify. This one also uses a folder inside the plugin’s folder, BUT. You can change the folder and place it elsewhere. Please have a look at Advanced Customization. screenshot http://s.wordpress.org/extend/plugins/bwp-minify/screenshot-1.gif We have been using it without a problem.