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    Bug 
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    Resolution: Out of scope
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     Not Evaluated Not Evaluated
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    None
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    Qt Creator 3.0.0
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    Windows XP SP3 (up to date with all critical updates)
 Qt Creator 3.0.0
 Based on Qt 5.2.0 (MSVC 2010, 32 bit)
 Built on Dec 10 2013 at 11:49:18
 From revision 27d10d8dcd
Just installed QT by downloading the online installer from qt-project.org. I only selected QtCreator and msvc2012 32-bit opengl when installing. I have opened QtCreator, and I clicked on Tutorials (under projects and examples). It was like img1. Then I maximized the window and so I got the strange painting problem as seen in img2. I thought that scrolling would cause a repainting that would solve the problem, but it didn't (img3 shows scrolled window).
The problem keeps repeating even closing and reopening qtcreator.