Hi, I am using Apache 2.4.6 with XCache 3.1.0 (both beta versions) and the latest pear webmail installation of horde. When I enable XCache it segfaults when opening turba. When I disable it everything works fine. I don´t know wether this is a horde or a XCache problem but maybe worth having an eye on when both versions leave unstable status... Regards Henning