Score below the palette

This is what I woke up to this morning. I work on Windows 7 SP1and I was tweaking an arrangement last night, saved my work, closed everything out, and shut down. Everything was as it should have been with the palette as a "sidebar" to the left of the score. When I opened the score I was working on this morning, there was no palette, so I hit F9, and it was just floating there. I clicked the bar to place it on the work screen and it shoved the score down. I made no weird changes last night, I don't do much with the Nightly Builds (and haven't since just before Christmas), I don't go around compiling things willy-nilly, so I'm not sure what has happened. I checked my preferences, and nothing seemed to be amiss. I even reset them to default setting and it didn't help. Any suggestions?