diff -r 2ef2043a0601 libgui/src/main-window.cc
--- a/libgui/src/main-window.cc	Thu Nov 28 08:33:22 2013 -0500
+++ b/libgui/src/main-window.cc	Thu Nov 28 21:35:05 2013 +0100
@@ -1776,6 +1776,21 @@
 main_window::construct_warning_bar (void)
 {
   _warning_bar = new QDockWidget (this);
+
+  QSettings *settings = resource_manager::get_settings ();
+  int starts_without_warning =
+                settings->value ("starts_wihtout_warning",100).toInt ();
+
+  if (starts_without_warning < 20)
+    {
+      hide_warning_bar ();
+      starts_without_warning++;
+      settings->setValue ("starts_wihtout_warning",starts_without_warning);
+      return;
+    }
+
+  settings->setValue ("starts_wihtout_warning",0);
+
   _warning_bar->setAttribute (Qt::WA_DeleteOnClose);
 
   QFrame *box = new QFrame (_warning_bar);