cannot use class QProcess in qt on windows 7 -

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i used qprocess execute exe file in qt on windows xp. works normally, while not on windows 7. think it's because of uac issue on windows 7(or windows vista). can me solve problem please? in advance. , here's code:

qprocess p(0); p.start("cmd", qstringlist()<<"/c"<<"copy .\\tmp\\gameskoreclient.exe .\\gameskoreclient.exe");

you start process correctly, receive results, have wait until process finished. add line after started process:

p.waitforfinished();

and close precess afterwards:

p.close()

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