Index: /trunk/src/VBox/Frontends/VirtualBox/src/globals/VBoxProblemReporter.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/globals/VBoxProblemReporter.cpp	(revision 34977)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/globals/VBoxProblemReporter.cpp	(revision 34978)
@@ -2171,4 +2171,11 @@
 }
 
+void VBoxProblemReporter::notifyAboutExtPackInstalled(const QString &strPackName, QWidget *pParent)
+{
+    message (pParent ? pParent : mainWindowShown(),
+             Info,
+             tr("The extension pack <br><nobr><b>%1</b><nobr><br> was installed successfully.").arg(strPackName));
+}
+
 void VBoxProblemReporter::warnAboutIncorrectPort (QWidget *pParent) const
 {
Index: /trunk/src/VBox/Frontends/VirtualBox/src/globals/VBoxProblemReporter.h
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/globals/VBoxProblemReporter.h	(revision 34977)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/globals/VBoxProblemReporter.h	(revision 34978)
@@ -344,4 +344,5 @@
     bool confirmInstallingPackage(const QString &strPackName, const QString &strPackVersion, const QString &strPackDescription, QWidget *pParent = 0);
     bool confirmRemovingPackage(const QString &strPackName, QWidget *pParent = 0);
+    void notifyAboutExtPackInstalled(const QString &strPackName, QWidget *pParent = 0);
 
     void warnAboutIncorrectPort(QWidget *pParent) const;
Index: /trunk/src/VBox/Frontends/VirtualBox/src/settings/global/UIGlobalSettingsExtension.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/settings/global/UIGlobalSettingsExtension.cpp	(revision 34977)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/settings/global/UIGlobalSettingsExtension.cpp	(revision 34978)
@@ -145,5 +145,8 @@
                     extPackFile.Install();
                     if (extPackFile.isOk())
+                    {
+                        vboxProblem().notifyAboutExtPackInstalled(strPackName, pParent);
                         fInstalled = true;
+                    }
                     else
                         vboxProblem().cannotInstallExtPack(strFilePath, extPackFile, pParent);