@Mojo65 I had a similar problem. I could get the palettes to dock to themselves and the other side... Turned out the resource manager got minimized (Hidden) in the dock, and it stopped me from being able to dock additional items to the right side. It sounds dumb, but you may want to go to WINDOW and make sure you UNCHECK every PALETTE. Then re-open each palette again.
Side bar: The last few weeks before this happened, my palettes starting acting buggy... The Navigation Palette would routinely undock itself and go completely blank (greyed out.) I assimilated it to a bad VWX file I was working on since that file in particular was so big that it routinely crashed my VWX while editing text fields. (I think this was a bug that got fixed on an update - and since I'm no longer on that project, I don't have the files to go back and check!)
