diff -r 5dc02b23752f -r 3e2da88830cd examples/tutorials/addressbook/part3/addressbook.cpp
--- a/examples/tutorials/addressbook/part3/addressbook.cpp	Tue Jul 06 15:10:48 2010 +0300
+++ b/examples/tutorials/addressbook/part3/addressbook.cpp	Wed Aug 18 10:37:55 2010 +0300
@@ -125,6 +125,7 @@
     if (name == "" || address == "") {
         QMessageBox::information(this, tr("Empty Field"),
             tr("Please enter a name and address."));
+        return;
     }
 
     if (!contacts.contains(name)) {