Czuch Czuckers: Do you mean version 3.01a (screenshot ) or maybe 3.0a2? I installed that version on my work computer; now I have both version 2 and version 3 installed and can run either depending on which icon I click (but I'm not running the "Minefield" version).
Anyway, barring extension/configuration problems, I believe you can uninstall all versions, download the version you prefer, and install only that version (maybe you'll have to reinstall extensions too).
(hide) In the mood for a quick game that is guaranteed to finish within 2 hours? Create a new game of your preference, select the Time for game and set Time to 0 days / 1 hour, Bonus to 0 days / 0 hours and Limit to 0 days / 1 hours. (TeamBundy) (show all tips)