On 09/29/2017 04:12 AM, Günther J. Niederwimmer wrote: > I have a big Problem to install a KVM Client with virt-manager, after Update > to CentOS 7.4 it is not more possible to start the virt-manager:-(. Specifically what happens when you run the "virt-manager" command? (I typically run virt-manager from my Fedora workstation rather than from the KVM servers, so I haven't seen any problems)