diff -r 3d6aae2ae698 -r 6476721e1a38 QTfrontend/ui/widget/feedbackdialog.cpp
--- a/QTfrontend/ui/widget/feedbackdialog.cpp	Wed May 23 20:45:42 2018 -0400
+++ b/QTfrontend/ui/widget/feedbackdialog.cpp	Thu May 24 15:20:29 2018 +0200
@@ -109,7 +109,8 @@
 
     CheckSendSpecs = new QCheckBox();
     CheckSendSpecs->setText(QLabel::tr("Send system information"));
-    CheckSendSpecs->setChecked(true);
+    CheckSendSpecs->setChecked(false);
+    CheckSendSpecs->setToolTip(tr("This is optional, but this information might help us to resolve bugs and other technical problems."));
     BtnViewInfo = new QPushButton(tr("View"));
     BtnViewInfo->setFixedHeight(40);
     feedbackLayout->addWidget(CheckSendSpecs, 0, 2, 2, 1);