I have recently installed both Qt4.8.4 and Qt5.0.0 on my computer.Everything goes well with the version 4.8.4 while something wired exists when compiling with library v5.0.0. I created a new project with QtCreator2.6.1 under the D:\ and then the compiler complained it couldn’t include the QMainWindow file. Then i removed the same project into the C:\ and everything was fine. Anyone here has any ideas about the wired problem? Thanks a lot.
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