eM Client Keeps Crashing After Upgrade

I just upgraded to 7.2.34711.0. My email crashes many times per hour now while simply reading my email.
Can I go back to previous version?

That version is more than 4 years old.

Why not use the latest version 9.2.2038 in the Release History?

Thank you so much. I didn’t realize I was so out of date. Downladed 9.2, we’ll see if that takes care of everything.