Every hotkey in Photoshop selects the Path Selection Tool. How do I get my shortcuts back?

Since updating to Yosemite, my Photoshop CS4 for Mac has decided the Path Selection Tool can do every job, lol. I went to "Edit -> Keyboard Shortcuts..." and made sure it was on the default settings. I even checked those defaults to make sure they weren't resetting to the Path Selection Tool. I can see no reason besides a glitch between Yosemite and CS4, and after searching for a solution, it seems like no one else has ever had this problem. Does anyone here have any suggestions?