You can quit the Mac OS X Finder in a few different ways, the fastest way is to just launch the Terminal and type the following at the command line:
killall Finder
Force Quit the Finder
Another easy way to quit the Finder is to use Force Quit, which is accessible by hitting Command+Option+Escape to bring up a Force Quit dialog box. From here, just select Finder and then click ‘relaunch’ which will reload the Finder.
