Yes the id 932 is indeed the forum page with the shortcode. Strangly the home page is also cleared. Anyway, many thanks, i will research this better...

You mean excluding pages with 3 tested caching plugins doesn't work well? Comet Cache, WP Super Cache from Automattic and Fastest Cache are all bro...

Thank you for the reply and the help. I updated again to 1.7.3 and followed the advice and only when i disabled the 3 "overwites" it works again nor...