diff --git a/GUI/mainwindow.cpp b/GUI/mainwindow.cpp
index 8180be9..2a52e70 100644
--- a/GUI/mainwindow.cpp
+++ b/GUI/mainwindow.cpp
@@ -698,6 +698,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
 
 MainWindow::~MainWindow()
 {
+	DetachProcess(); //force detach process
 	Settings().setValue(WINDOW, geometry());
 	CleanupExtensions();
 	SetErrorMode(SEM_NOGPFAULTERRORBOX);