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POQt4 program unexpectedly finished (exited with code -1073741819)
 

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  1. POQt4 program unexpectedly finished (exited with code -1073741819)
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    <p>I'm using Qt4.8.5(MinGW opensource) + QtCreator2.8.1, just while I'm trying the first "Hello Qt" sample code below, it returns the error:</p> <blockquote> <p>The program has unexpectedly finished.</p> <p>…\HelloQt.exe exited with code -1073741819</p> </blockquote> <pre><code>#include &lt;QApplication&gt; #include &lt;QLabel&gt; int main(int argc, char *argv[]) { QApplication app(argc, argv); QLabel *label = new QLabel("Hello Qt!"); label-&gt;show(); return app.exec(); } </code></pre> <p>Posts said that this error is caused by mistakes such as accessing invalid memories or so, but I don't think this sample code does so?</p> <p>I've been trapped here for a long time. Gratitude for any help :-)</p> <p><strong>EDIT:</strong></p> <p>After trails and errors, I decide to turn to Qt5.1.1 with VS2012 now. Thanks very much for the replies!</p> <p><a href="https://stackoverflow.com/questions/12541060/the-program-has-unexpectedly-finished-qt-creator">This post</a> suggested that the reason may lies in the incompatibility between the MinGW and Qt, after replace the old MinGW with the recommended <a href="http://dldx.csdn.net/fd.php?i=707048635856451&amp;s=1f8a9e81d72d9c7a679ad1bd2e720aa3" rel="nofollow noreferrer">MinGW-gcc440</a> the error code changed to -1073741511 which may means the unaccessible to .dll s.</p> <p>So I followed another post and use the MinGw-gcc4.4.0 to compile the source of Qt, but finally, after hours of compiling, it stopped with error T_T</p> <p>That's all, thank you.</p>
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    1. CODid you press the red stop button in QtCreator? This "kills" your application, which is interpreted in "unexpectedly finished" by QtCreator. Does this happen if you close the label window with its close button?
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    2. COIt is an access violation, you'll get them when you use a library in a completely unexpected way. You really do need to start at "Hello world", that doesn't look like this code. The obvious google query is "qt hello world". Take the first hit and start reading.
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    3. CO@leemes Thanks, I see the button, but I didn't press it. I just click the green triangle.
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