I will try that even if I think I have tried that.
Originally Posted by Mardagg
I noticed that if the "Ready to Install" tab header is selected (like, Ready to Install is underlined in red), then RB+LB+X does nothing. But, if you highlight ANYTHING on the Ready to Install tab, like a single game/app tile, or sort list, or whatever, then RB+LB+X works exactly as intended/expected. So, make sure you have your (for lack of a better term) cursor in the appropriate area.