Metasequoia 4 Ver4.5.2 (64bit) is running. Build time: Sep 9 2015 16:43:40 Windows version : 6.1 (Windows 7 x64) Number of CPU : 8 Physical memory : 8169 MB Direct3D11 Driver: NVIDIA GeForce GTX 550 Ti DeviceID: 4676 SubsysID: 890901592 Revision: 161 FeatureLevel: 11.0 Exception code: c0000005 (EXCEPTION_ACCESS_VIOLATION) Access violation at address 000000013FCB9730. Write of address 000000000000007C. Module: C:\Program Files\tetraface\Metasequoia4\Metaseq.exe 0x000000013FCB9730 Metaseq.exe: BooleanOp::Execute + 4672 bytes 0x000000013F95FBA3 Metaseq.exe: CommandKnifeProcess::SawUp + 9587 bytes 0x000000013FB5BD94 Metaseq.exe: TFormMain::CanvasMouseUp + 708 bytes 0x000000013FD5079E Metaseq.exe: MTEventClosureWithArg::invoke + 62 bytes 0x000007FEE6B3B67A MTKit.dll: MTObject::invokeCallback + 90 bytes 0x000007FEE6AD351A MTKit.dll: MTApplication::wndProc + 5802 bytes 0x000007FEE6AD1E62 MTKit.dll: MTApplication::globalWndProc + 34 bytes 0x0000000076FA9BD1 USER32.dll: TranslateMessageEx + 673 bytes 0x0000000076FA98DA USER32.dll: TranslateMessage + 490 bytes 0x000007FEE6AD442B MTKit.dll: MTApplication::enterEventLoop + 459 bytes 0x000007FEE6AD424F MTKit.dll: MTApplication::execute + 15 bytes 0x000000013FBC3A95 Metaseq.exe: wWinMain + 1077 bytes 0x000000013FDDFF52 Metaseq.exe: `eh vector destructor iterator' + 558 bytes 0x0000000076E85A4D kernel32.dll: BaseThreadInitThunk + 13 bytes 0x00000000770BB831 ntdll.dll: RtlUserThreadStart + 33 bytes