Did you reset the preferences? A reinstall will not affect this file.
Hold down the Ctrl key and start Bridge. You should get a reset window with 3 options.
Curt, you're a most helpful genius! Your solution was elegant and effective. It also saved hours of time - unlike the time-consuming and hit-or-miss uninstal-reinstall attempts to get back Bridge on track, which wasted several hours and didn't work. Thank you so much for caring to contribute. I can now finish sorting these photos for my parents, one a memorial for my Mom, and one before my Dad's upcoming 90th birthday. May God bless you, too.
Sometimes, reinstalling software is completely pointless anyway. If the application leaves settings behind, it might actually reuse them when it's reinstalled.