D:\>D:\temp\1\soft\copy\ultracopier\mingw\bin\gdb.exe D:\temp\1\soft\copy\ultrac opier\ultracopier-debug-real-windows-x86\ultracopier.exe GNU gdb (GDB) 7.4 Copyright (C) 2012 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "i686-pc-mingw32". For bug reporting instructions, please see: ... Reading symbols from D:\temp\1\soft\copy\ultracopier\ultracopier-debug-real-wind ows-x86\ultracopier.exe...D:\temp\1\soft\copy\ultracopier\ultracopier-debug-real -windows-x86\ultracopier.exe: error reading symbols (gdb) run Starting program: D:\temp\1\soft\copy\ultracopier\ultracopier-debug-real-windows -x86\ultracopier.exe [New Thread 316.0x140] Program received signal SIGILL, Illegal instruction. 0x0153c2e5 in qRound (d=54484) at ../../include/QtCore/../../src/corelib/global/qglobal.h:486 486 ../../include/QtCore/../../src/corelib/global/qglobal.h: No such file or directory. (gdb) bt #0 0x0153c2e5 in qRound (d=54484) at ../../include/QtCore/../../src/corelib/global/qglobal.h:486 #1 0x01408f51 in QColor::toHsv (this=0x22f6ac) at painting\qcolor.cpp:1664 #2 0x0140a71a in QColor::light (this=0x22f6ac, factor=150) at painting\qcolor.cpp:2232 #3 0x6292384a in QColor::lighter (this=0x22f6ac, f=150) at ../../../../include/QtGui/../../src/gui/painting/qcolor.h:272 #4 0x62868506 in standardPalette () at qwindowstheme.cpp:135 #5 0x628686b4 in systemPalette () at qwindowstheme.cpp:150 #6 0x628699f8 in QWindowsTheme::refreshPalettes (this=0x1147a900) at qwindowstheme.cpp:377 #7 0x62908a9b in QWindowsTheme::refresh (this=0x1147a900) at qwindowstheme.h:78 #8 0x628694a9 in QWindowsTheme::QWindowsTheme (this=0x1147a900) at qwindowstheme.cpp:289 #9 0x62848d53 in QWindowsIntegration::createPlatformTheme (this=0x1147b310, name=...) at qwindowsintegration.cpp:562 #10 0x012e33e6 in init_platform (pluginArgument=..., platformPluginPath=...) at kernel\qguiapplication.cpp:800 #11 0x012e3c44 in QGuiApplicationPrivate::createPlatformIntegration ( this=0x11475d28) at kernel\qguiapplication.cpp:901 #12 0x012e3c8a in QGuiApplicationPrivate::createEventDispatcher ( this=0x11475d28) at kernel\qguiapplication.cpp:908 #13 0x09c8d3b5 in QApplicationPrivate::createEventDispatcher (this=0x11475d28) at kernel\qapplication_qpa.cpp:84 #14 0x6b93f078 in QCoreApplication::init (this=0x22fe50) at kernel\qcoreapplication.cpp:612 #15 0x6b93ee24 in QCoreApplication::QCoreApplication (this=0x22fe50, p=...) at kernel\qcoreapplication.cpp:549 #16 0x012e23ff in QGuiApplication::QGuiApplication (this=0x22fe50, p=...) at kernel\qguiapplication.cpp:380 #17 0x09c461e7 in QApplication::QApplication (this=0x22fe50, argc=@0x22fe80: 1, argv=0x114749e0, _internal=327681) at kernel\qapplication.cpp:537 #18 0x00408b33 in ?? () #19 0x004a22bd in ?? () #20 0x004f3e9d in ?? () #21 0x004013fb in ?? () #22 0x7c816fe7 in RegisterWaitForInputIdle () from C:\WINDOWS\system32\kernel32.dll #23 0x00000000 in ?? () (gdb)