Hi guys, So every once in a while this happens, and I have no clue how I fixed it in the past. I fear it might have been when I formatted. PROBLEM: the dock hiding / unhiding keyboard shortcut, option + command + d, is not working. WHAT HAPPENS: when I hit the key combination, the dock pops up momentarily but immediately goes back down. If I hold down the key combination the dock stays visible, until I let go of the keyboard, at which point the dock hides again. ATTEMPTED SOLUTIONS: Obviously I've tried a full power cycle. I've run cocktail to try and clean out any small issues with the system. I don't know what else to try. Anyone had this problem? Anyone know of a solution?