I'm testing on Ubuntu Lucid/Natty/Oneiric/Precise i386 & Metaquotes MT4/MT5: This what i get at load time with Metaquotes 5 (winecfg dont warn): Time : 2011.10.19 14:33 (99:59:59) Program : Client Terminal Version : 500.523 (13 Oct 2011) Revision : 36278 OS : Windows XP Professional Service Pack 3 (Build 2600) on Wine Processors : 4 x Intel Pentium 4 2.40GHz Memory : 3301 free of 3897 Mb Virtual : 2047 free of 2047 Mb CrashMD5 : 3C9A63785EA4663AA01859D2602A00E0 Exception : C0000005 at 0041B42B write to 7DD8BC40 Modules : 00400000 00A72000 terminal.exe (5.0.0.523) 0041B120:0030B [0041B42B] #663 (terminal.exe) Registers : EAX=00000001 EIP=0041B42B EFLGS=00210212 ES=007b : EBX=FFFFFFFF ESP=0033F71C EBP=7DD8BC44 FS=0033 : ECX=00000000 ESI=007F4C78 CS=0073 GS=003b : EDX=00000064 EDI=007F4C78 DS=007b SS=007b logged into .xsession-errors: err:seh:setup_exception_record nested exception on signal stack in thread 0020 eip 7d380b19 esp 7ffd7970 stack 0xae2000-0xbe0000 err:seh:setup_exception_record nested exception on signal stack in thread 0030 eip 7d523b19 esp 7ffd7970 stack 0xae2000-0xbe0000 fixme:dbghelp:validate_addr64 Unsupported address ffffffffb7640000 More testing on Oneiric i386 & Metaquotes (MT4 &MT5) Oneiric & wine 1.3.29 : both MT4 & MT5 loads & runs fine (natty ppa) Oneiric & wine 1.3.30 : MT4 runs fine, but MT5 crash (natty ppa) Oneiric & wine 1.3.30 : MT4 runs fine, but MT5 crash (oneiric ppa) Oneiric & wine 1.3.28 (genuine oneiric package): MT4 & MT5 runs fine So wine 1.3.30 needs some tweaks.