Thank you everyone for your interest. I had installed Adobe Photoshop CC just five months ago. I'm not sure what specific update that Creative Cloud was trying to install (I can't find a description anywhere). Anyway, a notice came up in the Creative Cloud window that three different programs needed to be updated and Photoshop was one of them. It was after I installed the update that Photoshop failed when I tried to open it. The crazy thing is that it won't even give a speicific error message when it closes. It just says that an error has ocurred and Windows will now close the program.
Look in your Windows event logs. There should be some indication in the Application log showing the detail of the application failure or crash. Copy that info and paste it here.
It may be that resetting your preferences to defaults can help get past this. Or you may need to install an updated driver for your system.
Also bear in mind some improvements were made in a quick update right after Photoshop CC version 14.1 was released, and now the current update is 14.1.1. See if the Creative Cloud application wants to update you again. That may just solve it for you.