--- a/QTfrontend/ui/dialog/upload_video.cpp	Tue Oct 23 06:50:19 2012 +0200
+++ b/QTfrontend/ui/dialog/upload_video.cpp	Tue Oct 23 07:03:07 2012 +0200
@@ -158,6 +158,8 @@
 
     connect(btnUpload, SIGNAL(clicked()), this, SLOT(upload()));
     connect(pbCancel, SIGNAL(clicked()), this, SLOT(reject()));
+
+    this->setWindowModality(Qt::WindowModal);
 }
 
 void HWUploadVideoDialog::showEvent(QShowEvent * event)