[Qt-interest] qt application stops sometimes

[hz nan]

Hi all,
In Win xp sp2, I have one question.
I am using gcc 4.4.0 and make 3.81. this question all exist for qt 4.6.3
,4.7.0 and 4.7.1.
When qt based application run, such as audiooutput.exe in
example/multimedia, if there are some option of maximization or minimization
for other windows, the qt application will hangs for a while. Such as in the
audiooutput application, I can clearly hear the stop of sound when I maxmize
other windows.
In Win7, there is no this question. Anyone has some advice for me to solve
this question in xp sp2.

Thanks.
nan hongzhen.
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