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Deploying a Qt application in Windows 7

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Hi! This is the situation: I set up a Qt development environment in my Windows 7 to port a Qt application I made for Linux. The compilation process goes pretty clean, but in the moment I try to run the binary, I got this message from the GDB debugger: Program received signal SIGSEGV, Segmentation fault. 0x69dea1c6 in QObject::disconnect (sender=0x22fe48,     signal=0xc769269 "iconSizeChanged(QSize)", receiver=0x1000001,     method=0xc7692b1 "_q_updateIconSize(QSize)") at kernel/qobject.cpp:2906 2906    kernel/qobject.cpp: No such file or directory.         in kernel/qobject.cpp Current language:  auto; currently c++ Note: I copied all the Qt libraries required by my application (QtCore.dll, QtGui.dll, etc) in the directory where the binary file (.exe) is created. Is there another library required? What am I missing? Thanks for any hint :)

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