QProcess: Destroyed while process ("C:\\Users\\admin\\Desktop\\test\\test_cases3\\GT_CF_Super3_V3_win.exe") is still running.

这个错误是由于在QProcess对象销毁之前，进程仍然在运行。在你提供的代码片段中，有两个地方可能导致这个错误。

首先，在MainWindow类的析构函数中，你尝试关闭和删除了m_process对象，但你没有等待进程完成。你可以使用waitForFinished函数来等待进程完成后再关闭和删除对象。你可以在delete之前加入如下代码：

if (m_process)
{
    m_process->waitForFinished();
    m_process->close();
    delete m_process;
}

其次，在UPreciseWindow类的析构函数中，你同样尝试关闭和删除了m_pProcess对象，但你没有等待进程完成。你可以在delete之前加入如下代码：

m_pProcess->waitForFinished();
m_pProcess->close();
delete m_pProcess;
m_pProcess = nullptr;

通过这些修改，你就可以避免QProcess对象在进程仍在运行时被销毁的错误了。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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