https://www.tntware.com/tntconnect/help/faq_en/pages/how-do-i-get-past-quot-you-must-not-rename-quot-tntconnect-app-quot-to-quot-tntconnect-4-app-quot-this-can-cause-unexpected-errors-to-occur-quot.aspxLast time you updated TntConnect for Mac, you were asked to copy the new TntConnect into your Applications folder. Since there was an existing TntConnect in your Applications folder, your Mac gave you three options: " Keep Both ", " Replace ", and "StopenCommunityServer 2008.5 SP2 (Debug Build: 40407.4157)