https://www.tntware.com/tntconnect/help/faq_en/pages/will-tntmpd-for-mac-run-on-mac-os-x-10-4.aspxMac OS X 10.4 is unsupported. An older version of TntMPD for Mac will run on 10.5. The latest TntMPD for Mac requires Mac OS X 10.6 or newer.enCommunityServer 2008.5 SP2 (Debug Build: 40407.4157)