Thnx for reply,

I tried to do :
Qt Code:
  1. m_process.waitForFinished(-1); // will wait forever until finished
  2. output = m_process.readAllStandardOutput();
  3. QByteArray str = output.toLatin1();
  4. ui->plainTextEdit_InfosConfig->setPlainText(QString::fromLocal8Bit(str));
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the problem remains