Difference between QProcess::start and QProcess::startDetached October 3, 2020 - by Pupli QProcess * p = new QProcess(); p->start("some-app"); delete p;// <---some-app will be terminated QProcess * p = new QProcess(); p->startDetached("some-app"); delete p;// <---some-app will continue to live References https://stackoverflow.com/questions/23263805/what-is-the-difference-between-qprocessstart-and-qprocessstartdetached