I'm having the same problem as the OP but I'll provide some more information. First here is the output from when I try to start Rift from the launcher Code: fixme:system:SetProcessDPIAware stub! fixme:toolhelp:CreateToolhelp32Snapshot Unimplemented: heap list snapshot fixme:toolhelp:Heap32ListFirst : stub fixme:toolhelp:CreateToolhelp32Snapshot Unimplemented: heap list snapshot fixme:toolhelp:Heap32ListFirst : stub fixme:toolhelp:CreateToolhelp32Snapshot Unimplemented: heap list snapshot fixme:toolhelp:Heap32ListFirst : stub fixme:ole:CoCreateInstance no instance created for interface {ea1afb91-9e28-4b86-90e9-9e9f8a5eefaf} of class {56fdf344-fd6d-11d0-958a-006097c9a090}, hres is 0x80004002 fixme:imm:NotifyIME IMC_SETCANDIDATEPOS fixme:imm:ImmReleaseContext (0x30014c, 0x203a20): stub fixme:win:FlashWindowEx 0x32ea4c fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:imm:NotifyIME IMC_SETCANDIDATEPOS fixme:imm:NotifyIME IMC_SETCANDIDATEPOS fixme:imm:NotifyIME IMC_SETCANDIDATEPOS fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:imm:NotifyIME IMC_SETCANDIDATEPOS fixme:win:FlashWindowEx 0x32cbc0 fixme:toolhelp:CreateToolhelp32Snapshot Unimplemented: heap list snapshot fixme:toolhelp:Heap32ListFirst : stub fixme:exec:SHELL_execute flags ignored: 0x00000100 fixme:toolhelp:CreateToolhelp32Snapshot Unimplemented: heap list snapshot fixme:toolhelp:Heap32ListFirst : stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:win:FlashWindowEx 0x3298e0 fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub fixme:imm:NotifyIME IMC_SETCANDIDATEPOS fixme:win:FlashWindowEx 0x327130 fixme:exec:SHELL_execute flags ignored: 0x00000100 fixme:toolhelp:CreateToolhelp32Snapshot Unimplemented: heap list snapshot fixme:toolhelp:Heap32ListFirst : stub fixme:gameux:GAMEUX_ProcessGameDefinitionElement entry L"ReleaseDate" in Game Definition File not yet supported fixme:gameux:GAMEUX_ProcessGameDefinitionElement entry L"Genres" in Game Definition File not yet supported fixme:gameux:GAMEUX_ProcessGameDefinitionElement entry L"Version" in Game Definition File not yet supported fixme:gameux:GAMEUX_ProcessGameDefinitionElement entry L"WindowsSystemPerformanceRating" in Game Definition File not yet supported fixme:gameux:GAMEUX_ProcessGameDefinitionElement entry L"Developers" in Game Definition File not yet supported fixme:gameux:GAMEUX_ProcessGameDefinitionElement entry L"Publishers" in Game Definition File not yet supported fixme:gameux:GAMEUX_ProcessGameDefinitionElement entry L"GameExecutables" in Game Definition File not yet supported fixme:gameux:GAMEUX_ProcessGameDefinitionElement entry L"ExtendedProperties" in Game Definition File not yet supported fixme:ole:CoCreateInstance no instance created for interface {ea1afb91-9e28-4b86-90e9-9e9f8a5eefaf} of class {56fdf344-fd6d-11d0-958a-006097c9a090}, hres is 0x80004002 fixme:dbghelp:elf_search_auxv can't find symbol in module fixme:dbghelp:MiniDumpWriteDump NIY MiniDumpWithHandleData fixme:imm:NotifyIME IMC_SETCANDIDATEPOS fixme:win:FlashWindowEx 0x32cbc0 fixme:imm:NotifyIME IMC_SETCANDIDATEPOS fixme:win:FlashWindowEx 0x32cbc0 fixme:dxdiag:ProcessCommandLine /x unimplemented fixme:winhttp:WinHttpGetIEProxyConfigForCurrentUser returning no proxy used fixme:imm:NotifyIME IMC_SETCANDIDATEPOS fixme:win:FlashWindowEx 0x32cbc0 fixme:imm:NotifyIME IMC_SETCANDIDATEPOS fixme:win:FlashWindowEx 0x32cbc0 fixme:winsock:WSAIoctl WS_SIO_UDP_CONNRESET stub The game worked well before patch 1.2. Trion is aware that the patch broke the game and originally was working on the problem > Hi everyone, > > We'd like to gather a little more info from those who are experiencing this issue. If you have the latest patcher (31-20e) and are running RIFT on a Mac, please let us know in this thread. Also, we'd like to know if you're running RIFT on your Mac using Boot Camp or not. > > Thanks! From: http://forums.riftgame.com/showthread.php?185656-quot-sending-error-report-quot-whenever-I-hit-Play/page6 However now they are stating: > Hey folks, > > The game does not support Mac OS, Linux, or the Wine emulation platform - I'm not going to be able to provide any insight on this as it's not something we can pursue. > > Not sure if this is something the developers of wine can resolve on their end, but that might be a better place to pursue support. > > As for other Patcher related issues - we're continuing to investigate them, we appreciate your patience! > > Thanks and apologies I can't provide more information!