Can you locate your 6.1 install files, delete 6.2 then reinstall the 6.1? OR did the installation of the 6.2 wipe the 6.1 files? Don't know for sure.
Look in your UltraHal6 folder and see is your 6.1 version is still in there. If so...bingo.
Good luck!
Otherwise, if all else fails, send an email to Robert Medeksza. (in Member section)