dock

As of this morning, I am unable to open the dock. I checked setting in General>Multitasking&Dock and all selection options are on. Any thoughts on what else would prevent it from opening?

Hi, Sorry - probably discussed before but my search did not find anything helpful. I found out how to split the keyboard but then it floats to the middle of the screen. I've learned that this is called udocking. But I'd like it to remain at the bottom of the screen. I've found posts which...