When starting vmware workstation v12 you'll get the following errors: (vmware-modconfig:8302): Gtk-WARNING **: Unable to locate theme engine in module_path: "adwaita", (vmware-modconfig:8302): Gtk-WARNING **: Unable to locate theme engine in module_path: "adwaita", /usr/share/themes/Adwaita/gtk-2.0/gtkrc:1163: error: unexpected identifier `direction', expected character `}' /usr/share/themes/Adwaita/gtk-2.0/gtkrc:1163: error: unexpected identifier `direction', expected character `}' Reproducible: Always
(vmware-modconfig:8302): Gtk-WARNING **: Unable to locate theme engine in module_path: "adwaita", That's GTK's defualt theme not being installed, nothing to do with us.