Qt Run EXE

#include <QProcess>

//------ .cpp

void MainWindow::on_btn_print_clicked()

{

    QProcess::execute("D:/QtRptProject/QtRptDemo.exe");

}

warnning Qt and Error

QString

QString i;           // current file's number
QString total;       // number of files to process
QString fileName;    // current file's name

QString status = QString("Processing file %1 of %2: %3")
                .arg(i).arg(total).arg(fileName);