Upgrading PyCharm Community to PyCharm Pro on Linux

I was running PyCharm Community and decided to upgrade to Professional.

I [think] I have installed PyCharm professional on my LinuxMint machine (by running pycharm.sh in the tarball). When I do that, PyCharm Professional comes up just fine (I know from the splash screen and the additional functionality). The Linux programs menu has a "Programming" folder which contains Pycharm Community among other programming tools I have installed.

Since installing Professional, the Programming-> menu was NOT updated to show PyCharm Professional (still has PyCharm Community listed), and clicking it results in... nothing.

I had trouble with the same menu when I 'installed' PyCharm Community; the Programming->PyCharm Community would disappear (in fact the whole "Programming" section would disappear, but at the time PyCharm was the only programming tool I had installed. I would then run the pycharm.sh again to run PyCharm Community, at which point the menu entry would reappear. After doing that a couple of times it stayed in the Programming menu, where it now doesn't work. I obviously don't need the Community Edition now that I have Professional... Is there a documented upgrade procedure for Linux that will resolve my issues?

Thanks!