I've investegated a litle further and find this in the logfile, any suggestions.
[Thu Aug 02 22:37:23 2012] [error] (61)Connection refused: proxy: HTTP: attempt to connect to 127.0.0.1:3328 (127.0.0.1) failed
[Thu Aug 02 22:37:23 2012] [error] ap_proxy_connect_backend disabling worker for (127.0.0.1)
[Thu Aug 02 22:37:23 2012] [error] (61)Connection refused: proxy: HTTP: attempt to connect to 127.0.0.1:3329 (127.0.0.1) failed
[Thu Aug 02 22:37:23 2012] [error] ap_proxy_connect_backend disabling worker for (127.0.0.1)
[Thu Aug 02 22:40:46 2012] [error] (61)Connection refused: proxy: HTTP: attempt to connect to 127.0.0.1:3329 (127.0.0.1) failed
[Thu Aug 02 22:40:46 2012] [error] ap_proxy_connect_backend disabling worker for (127.0.0.1)
[Thu Aug 02 22:41:06 2012] [error] (61)Connection refused: proxy: HTTP: attempt to connect to 127.0.0.1:3328 (127.0.0.1) failed
[Thu Aug 02 22:41:06 2012] [error] ap_proxy_connect_backend disabling worker for (127.0.0.1)
[Thu Aug 02 22:44:28 2012] [error] (61)Connection refused: proxy: HTTP: attempt to connect to 127.0.0.1:3328 (127.0.0.1) failed
[Thu Aug 02 22:44:28 2012] [error] ap_proxy_connect_backend disabling worker for (127.0.0.1)
[Thu Aug 02 22:44:28 2012] [error] (61)Connection refused: proxy: HTTP: attempt to connect to 127.0.0.1:3329 (127.0.0.1) failed
[Thu Aug 02 22:44:28 2012] [error] ap_proxy_connect_backend disabling worker for (127.0.0.1)