I'm having this problem when i try to #include <QSettings> in my application

1>c:\qt\4.6.2\include\qtcore\../../src/corelib/io/qsettings.h(45) : fatal error C1083: Cannot open include file: 'QtCore/qobject.h': No such file or directory

i checked the files in there and qobject.h is in QtCore folder, so whats what now? anyone help?