There is a repair install option available. With the 32 bit launcher open, click the round icon next to where it says "game options" and choose "repair". Other than that, I don't know there is any way to do what you're trying to do.
With that said, ESO has more crashing issues than any other game I've ever played. ESO crashes a lot. That's just how it is.
It's getting to the point when it's multiple times a day, rather than the occasional issue. This one, right before I was going to do EA... was sitting in my house.