When updating through MCC no packages are offered. When performing urpmi --auto-select packages are available. MCC brings back an empty screen, with the "Quit"-button greyed-out. So screen can only being closed through the upper-right-cross.
Read comments from duplicate bug *** This bug has been marked as a duplicate of bug 1675 ***
Status: NEW => RESOLVEDCC: (none) => sander.lepikResolution: (none) => DUPLICATE