Steps to reproduce:
Install qt 5.0.1 msvc package. Choose Youtube example from the examples page in creator, build and run the example.

0 qt_message_fatal qlogging.cpp 861 0x6386f2a1
1 QMessageLogger::fatal qlogging.cpp 356 0x6386d874
2 qt_assert_x qglobal.cpp 1959 0x638679e8
3 QSGNode::appendChildNode qsgnode.cpp 404 0x642b646c
4 QQuickWindowPrivate::syncSceneGraph qquickwindow.cpp 318 0x6431bafb
5 QQuickTrivialWindowManager::renderWindow qquickwindowmanager.cpp 263 0x6444ea7e
6 QQuickTrivialWindowManager::event qquickwindowmanager.cpp 355 0x6444f005
7 QCoreApplicationPrivate::notify_helper qcoreapplication.cpp 885 0x63ac77be
8 QCoreApplication::notify qcoreapplication.cpp 829 0x63ac7573
9 QGuiApplication::notify qguiapplication.cpp 1213 0x61a9f51a
10 QCoreApplication::notifyInternal qcoreapplication.cpp 767 0x63ac74c4
11 QCoreApplication::sendEvent qcoreapplication.h 203 0x63acc849
12 QCoreApplicationPrivate::sendPostedEvents qcoreapplication.cpp 1368 0x63ac8345
13 QCoreApplication::sendPostedEvents qcoreapplication.cpp 1228 0x63ac7ffd
14 QWindowSystemInterface::sendWindowSystemEvents qwindowsysteminterface.cpp 515 0x61a884bd
15 QWindowsGuiEventDispatcher::sendPostedEvents qwindowsguieventdispatcher.cpp 86 0x612daff4
16 qt_internal_proc qeventdispatcher_win.cpp 423 0x63b4fb07
17 InternalCallWinProc USER32 0x76ddc4e7
18 UserCallWinProcCheckWow USER32 0x76ddc5e7
19 DispatchMessageWorker USER32 0x76ddcc19
20 DispatchMessageW USER32 0x76ddcc70
21 DialogBox2 USER32 0x76df38d7
22 InternalDialogBox USER32 0x76df3b27
23 SoftModalMessageBox USER32 0x76e1e0d5
24 MessageBoxWorker USER32 0x76e1e659
25 MessageBoxTimeoutW USER32 0x76e1e78c
26 MessageBoxExW USER32 0x76e1ea08
27 MessageBoxW USER32 0x76e1eaa4
28 __crtMessageBoxW crtmbox.c 158 0x6267a58c
29 __crtMessageWindowW dbgrpt.c 363 0x62674a2c
30 _VCrtDbgReportW dbgrptt.c 667 0x6267bcf0
31 _CrtDbgReportWV dbgrpt.c 241 0x62674662
32 _CrtDbgReportW dbgrpt.c 258 0x6267461b
33 qt_message_fatal qlogging.cpp 857 0x6386f277
34 QMessageLogger::fatal qlogging.cpp 356 0x6386d874
35 qt_assert qglobal.cpp 1951 0x638679a4
36 qt_gl_functions qopenglfunctions.cpp 194 0x61d98baf
37 QOpenGLFunctions::initializeOpenGLFunctions qopenglfunctions.cpp 464 0x61d991e0
38 QSGRenderer::QSGRenderer qsgrenderer.cpp 153 0x642bb6c6
39 QSGDefaultRenderer::QSGDefaultRenderer qsgdefaultrenderer.cpp 138 0x642b1c55
40 QSGContext::createRenderer qsgcontext.cpp 370 0x642d3f6b
41 QQuickWindowPrivate::syncSceneGraph qquickwindow.cpp 318 0x6431bb16
42 QQuickTrivialWindowManager::renderWindow qquickwindowmanager.cpp 263 0x6444ea7e
43 QQuickTrivialWindowManager::event qquickwindowmanager.cpp 355 0x6444f005
44 QCoreApplicationPrivate::notify_helper qcoreapplication.cpp 885 0x63ac77be
45 QCoreApplication::notify qcoreapplication.cpp 829 0x63ac7573
46 QGuiApplication::notify qguiapplication.cpp 1213 0x61a9f51a
47 QCoreApplication::notifyInternal qcoreapplication.cpp 767 0x63ac74c4
48 QCoreApplication::sendEvent qcoreapplication.h 203 0x63acc849
49 QCoreApplicationPrivate::sendPostedEvents qcoreapplication.cpp 1368 0x63ac8345
50 QCoreApplication::sendPostedEvents qcoreapplication.cpp 1228 0x63ac7ffd
51 QWindowSystemInterface::sendWindowSystemEvents qwindowsysteminterface.cpp 515 0x61a884bd
52 QWindowsGuiEventDispatcher::sendPostedEvents qwindowsguieventdispatcher.cpp 86 0x612daff4
53 qt_internal_proc qeventdispatcher_win.cpp 423 0x63b4fb07
54 InternalCallWinProc USER32 0x76ddc4e7
55 UserCallWinProcCheckWow USER32 0x76ddc5e7
56 DispatchClientMessage USER32 0x76dd4f0e
57 __fnDWORD USER32 0x76dd4f7d
58 KiUserCallbackDispatcher ntdll 0x775e6fce
59 NtUserMessageCall USER32 0x76dd4f51
60 RealDefWindowProcWorker USER32 0x76dd517d
61 RealDefWindowProcW USER32 0x76dd5138
62 DoMsgDefault uxtheme 0x74445eef
63 OnDwpSysCommand uxtheme 0x7445d128
64 _ThemeDefWindowProc uxtheme 0x74441e09
65 ThemeDefWindowProcW uxtheme 0x74441f20
66 DefWindowProcW USER32 0x76dd5fc3
67 qWindowsWndProc qwindowscontext.cpp 959 0x612b6c98
68 InternalCallWinProc USER32 0x76ddc4e7
69 UserCallWinProcCheckWow USER32 0x76dd5f9f
70 DispatchClientMessage USER32 0x76dd4f0e
71 __fnDWORD USER32 0x76dd4f7d
72 KiUserCallbackDispatcher ntdll 0x775e6fce
73 NtUserMessageCall USER32 0x76dd4f51
74 RealDefWindowProcWorker USER32 0x76dd517d
75 RealDefWindowProcW USER32 0x76dd5138
76 DoMsgDefault uxtheme 0x74445eef
77 OnDwpNcLButtonDown uxtheme 0x7445d175
78 _ThemeDefWindowProc uxtheme 0x74441e09
79 ThemeDefWindowProcW uxtheme 0x74441f20
80 DefWindowProcW USER32 0x76dd5fc3
81 qWindowsWndProc qwindowscontext.cpp 959 0x612b6c98
82 InternalCallWinProc USER32 0x76ddc4e7
83 UserCallWinProcCheckWow USER32 0x76ddc5e7
84 DispatchMessageWorker USER32 0x76ddcc19
85 DispatchMessageW USER32 0x76ddcc70
86 QEventDispatcherWin32::processEvents qeventdispatcher_win.cpp 744 0x63b50bf3
87 QWindowsGuiEventDispatcher::processEvents qwindowsguieventdispatcher.cpp 78 0x612daf5e
88 QEventLoop::processEvents qeventloop.cpp 137 0x63ac40c1
89 QEventLoop::exec qeventloop.cpp 212 0x63ac421e
90 QCoreApplication::exec qcoreapplication.cpp 1020 0x63ac79fd
91 QGuiApplication::exec qguiapplication.cpp 1192 0x61a9f468
92 main main.cpp 49 0x131156
93 WinMain qtmain_win.cpp 131 0x1320ea
94 __tmainCRTStartup crtexe.c 547 0x1317b0
95 WinMainCRTStartup crtexe.c 371 0x13153f
96 BaseThreadInitThunk kernel32 0x7726ed6c
97 __RtlUserThreadStart ntdll 0x7760377b
98 _RtlUserThreadStart ntdll 0x7760374e