Finder Is Stuck Trying to Network Via Ethernet


I added a folder across the network yesterday, and the computer is attempting to connect upon startup. I am stuck at the window reading "connect to file server" and when I attempt to click to the "connect" button, I get a spinning beachball. I can access all of my programs (or those that I've tried) but I can't get to the finder. this happened right after I added a file across the network to be lauched at startup. I would just de-select that automatic ethernet connection, but I don't know how. Any ideas?
Boot holding the Shift key down, then go to the Accoints PreferencePane and delete the share.