Try resetting your Photoshop Preferences. If you reinstall Photoshop your old preferences are still around and if the problem is in them you will still have the problem you were trying to fix with the re-install.
Welcome to the forum.
If JJMack's suggestion does not help, when you wrote:
The crop icon is now three items wide and the crop controls don't show up.
When I encounter GUI display issues, I check that I have the very latest video driver installed, by comparing my installed version vs the latest from the nVidia, or AMD/ATI Web sites.