qt5.0鼠标放到菜单栏，程序报qtcreator.exe 已停止工作
用vs2010调试打开显示以下内容：
qtaccessiblewidgets.dll!52699efc()
[Frames below may be incorrect and/or missing, no symbols loaded for qtaccessiblewidgets.dll]
qwindows.dll!52df6120()
qwindows.dll!52df68c9()
oleacc.dll!7426a2f6()
oleacc.dll!742678e7()
Qt5Widgets.dll!548c7eba()
Qt5Core.dll!5426111a()
Qt5Widgets.dll!548a82df()
Qt5Widgets.dll!548e20e6()
user32.dll!7725911c()
user32.dll!772591b6()
uxtheme.dll!7390815a()
user32.dll!7725911c()
user32.dll!772591b6()
uxtheme.dll!7390815a()
uxtheme.dll!7390232e()
user32.dll!77259211()
user32.dll!772576f5()
user32.dll!7725925a()
user32.dll!772591b6()
user32.dll!772591b6()
user32.dll!772591b6()
user32.dll!77259229()
uxtheme.dll!7390815a()
uxtheme.dll!7390232e()
ntdll.dll!7747f670()
ntdll.dll!7747f62e()
ntdll.dll!77483694()
ntdll.dll!774832ff()
ntdll.dll!77448f09()
ntdll.dll!7749f539()
ntdll.dll!7747f489()
> msvcr100.dll!free(void * pBlock=0x046b2bc8) Line 51 C
Qt5Core.dll!542610a3()
Qt5Core.dll!54302a3b()
Qt5Core.dll!543577fe()
Qt5Gui.dll!54767dbb()
Qt5Gui.dll!5476aff9()
Qt5Gui.dll!54767dbb()
Qt5Gui.dll!5476aff9()
Qt5Widgets.dll!54af1585()
Qt5Widgets.dll!548a5942()
Qt5Gui.dll!54766b78()
Qt5Widgets.dll!548a5f3f()
Qt5Widgets.dll!548c0f18()
Qt5Widgets.dll!548b4f84()
Qt5Widgets.dll!548b4f84()
Qt5Widgets.dll!549937d5()
Qt5Widgets.dll!548c4631()
Qt5Widgets.dll!548a8c2a()
Qt5Widgets.dll!548b4f84()
designer.exe!013dcf83()
Qt5Widgets.dll!548c9638()
Qt5Core.dll!54397bcb()
Qt5Core.dll!543bb4cb()
Qt5Widgets.dll!548a07f9()
Qt5Widgets.dll!548a3ffc()
Qt5Gui.dll!545e21fa()
Qt5Gui.dll!545e22fc()
Qt5Gui.dll!545defee()
designer.exe!013dbd7d()
designer.exe!013f7268()
designer.exe!013f68c1()
kernel32.dll!76c78543()
ntdll.dll!7748ac69()
ntdll.dll!7748ac3c()
通过网上查询发现，原来是有道词典屏幕取词的原因。关闭有道字典或者按f8关闭取词就可以了。类似工具也可能引起这个问题。
原文回答：
ok,i found the reason. if my dictionary software was opened ,all qt exes keep crashing when mouse click or slide on menu who has second level items.