Just upgraded to Zend Server CE 5.6 with Apache 2.2.21 and PHP 5.3.9 and still get the issue . Also manifests itself you have more than one lanuage installed and you swap between lanuages using the 'Lanuage menu' (langmenu in Language Settings).
Courses and course formats
Easy Post Format Breaks themes in Internet explorer
This discussion has been locked because a year has elapsed since the last post. Please start a new discussion topic.