Yumex cannot Authicate

[Jim]

network interface p128p1 (r8169) is connected
13:20:28 : Connected to an network
13:20:28 : network interface p128p1 (r8169) is connected
13:20:28 : Starting yum child process
13:20:28 : YUM: ==== AUTHENTICATING FOR 
org.yum-extender.backend.pkexec.run ===
13:20:28 : YUM: Authentication is required for Yum Extender to 
handle packages on the system
13:20:28 : YUM: Authenticating as: root


Yumex F17 doea not show root auth window to run yumex as root.

I can do yum updates from terminal window as SU .