Somehow, every command now executes as a 'command window variant.' This happened yesterday suddenly but I don't know what caused it. Now when I type 'ctrl-o' to open a file, or click file>open, instead of the file browser window appearing, only some text appears in the command window saying "drawing file»" The same behavior is seen for file>new, file>export, file>saveas.

How might I pull up the file browser window?