diff --git a/CMakeLists.txt b/CMakeLists.txt
index 808101a86..4c535dfa2 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -245,6 +245,7 @@ set(APP_SOURCES
   src/gui/feedsview.cpp
   src/gui/messagesview.cpp
   src/gui/statusbar.cpp
+  src/gui/messagebox.cpp
 
   # CORE sources.
   src/core/debugging.cpp
@@ -297,6 +298,7 @@ set(APP_HEADERS
   src/gui/feedsview.h
   src/gui/messagesview.h
   src/gui/statusbar.h
+  src/gui/messagebox.h
 
   # CORE headers.
   src/core/settings.h
diff --git a/resources/graphics/icons/mini-kfaenza/qtassistant.png b/resources/graphics/icons/mini-kfaenza/qtassistant.png
new file mode 100644
index 000000000..cffbf4769
Binary files /dev/null and b/resources/graphics/icons/mini-kfaenza/qtassistant.png differ
diff --git a/src/core/databasefactory.cpp b/src/core/databasefactory.cpp
index 55569c651..66259ef07 100644
--- a/src/core/databasefactory.cpp
+++ b/src/core/databasefactory.cpp
@@ -127,8 +127,20 @@ QSqlDatabase DatabaseFactory::addConnection(const QString &connection_name) {
     return initialize(connection_name);
   }
   else {
-    return QSqlDatabase::addDatabase(DATABASE_DRIVER,
-                                     connection_name);
+    QSqlDatabase database = QSqlDatabase::addDatabase(DATABASE_DRIVER,
+                                                      connection_name);
+    QDir db_path(getDatabasePath());
+    QFile db_file(db_path.absoluteFilePath(APP_DB_FILE));
+
+    // Setup database file path.
+    database.setDatabaseName(db_file.fileName());
+
+    if (!database.open()) {
+      qFatal("Database was NOT opened. Delivered error message: '%s'",
+             qPrintable(database.lastError().text()));
+    }
+
+    return database;
   }
 }
 
diff --git a/src/core/defs.h.in b/src/core/defs.h.in
index 0cfc4c450..decdacfb8 100755
--- a/src/core/defs.h.in
+++ b/src/core/defs.h.in
@@ -5,7 +5,7 @@
 
 #if QT_VERSION >= 0x050000
 #include <qwebkitglobal.h>
-#elif QT_VERSION >= 0x040600
+#else
 #include <qwebkitversion.h>
 #endif
 
@@ -19,10 +19,7 @@
 #define APP_AUTHORS         "@APP_AUTHOR@"
 #define APP_URL             "@APP_URL@"
 #define APP_VERSION         "@APP_VERSION@"
-
-#if QT_VERSION >= 0x040600
 #define APP_USERAGENT       QString("@APP_NAME@/@APP_VERSION@ (@APP_URL@) on @CMAKE_SYSTEM@; Webkit/") + qWebKitVersion()
-#endif
 
 #define TEXT_TITLE_LIMIT    30
 #define MAX_ZOOM_FACTOR     10.0
diff --git a/src/gui/feedmessageviewer.cpp b/src/gui/feedmessageviewer.cpp
index 1805159f9..6da8bbb34 100644
--- a/src/gui/feedmessageviewer.cpp
+++ b/src/gui/feedmessageviewer.cpp
@@ -34,6 +34,9 @@ void FeedMessageViewer::createConnections() {
           m_messagesBrowser, SLOT(clear()));
   connect(m_messagesView, SIGNAL(currentMessageChanged(Message)),
           m_messagesBrowser, SLOT(navigateToMessage(Message)));
+  connect(m_messagesView, SIGNAL(openMessageNewTabRequested(Message)),
+          FormMain::getInstance()->m_ui->m_tabWidget,
+          SLOT(addBrowserWithMessage(Message)));
 
   // Toolbar forwardings.
   connect(FormMain::getInstance()->m_ui->m_actionSwitchImportanceOfSelectedMessages,
diff --git a/src/gui/formmain.cpp b/src/gui/formmain.cpp
index fec611fae..ea2c31e48 100755
--- a/src/gui/formmain.cpp
+++ b/src/gui/formmain.cpp
@@ -1,4 +1,5 @@
 #include <QCloseEvent>
+#include <QMessageBox>
 
 #include "gui/formmain.h"
 #include "gui/formabout.h"
@@ -146,6 +147,8 @@ void FormMain::display() {
 }
 
 void FormMain::onCommitData(QSessionManager &manager) { 
+  Q_UNUSED(manager);
+
   qDebug("OS asked application to commit its data.");
 }
 
diff --git a/src/gui/formmain.h b/src/gui/formmain.h
index bde361439..cd7a35526 100644
--- a/src/gui/formmain.h
+++ b/src/gui/formmain.h
@@ -76,7 +76,7 @@ class FormMain : public QMainWindow {
     // Displays various dialogs.
     void showSettings();
     void showAbout();
-    
+
   private:
     Ui::FormMain *m_ui;
     QMenu *m_trayMenu;
diff --git a/src/gui/messagebox.cpp b/src/gui/messagebox.cpp
new file mode 100644
index 000000000..8ce123064
--- /dev/null
+++ b/src/gui/messagebox.cpp
@@ -0,0 +1,9 @@
+#include "gui/messagebox.h"
+
+
+MessageBox::MessageBox(QWidget *parent) : QMessageBox(parent) {
+}
+
+MessageBox::~MessageBox() {
+  qDebug("Destroying MessageBox instance.");
+}
diff --git a/src/gui/messagebox.h b/src/gui/messagebox.h
new file mode 100644
index 000000000..f67de23d6
--- /dev/null
+++ b/src/gui/messagebox.h
@@ -0,0 +1,20 @@
+#ifndef MESSAGEBOX_H
+#define MESSAGEBOX_H
+
+#include <QMessageBox>
+
+
+class MessageBox : public QMessageBox {
+    Q_OBJECT
+
+  public:
+    explicit MessageBox(QWidget *parent = 0);
+    virtual ~MessageBox();
+
+  signals:
+
+  public slots:
+
+};
+
+#endif // MESSAGEBOX_H
diff --git a/src/gui/messagesview.cpp b/src/gui/messagesview.cpp
index cd66f6a49..917b08f54 100644
--- a/src/gui/messagesview.cpp
+++ b/src/gui/messagesview.cpp
@@ -183,6 +183,10 @@ void MessagesView::openSelectedSourceMessagesInternally() {
 
 void MessagesView::openSelectedMessagesInternally() {
   // TODO: otevre vybrane nactene zpravy v internich tabech
+
+  foreach (const QModelIndex &index, selectionModel()->selectedRows()) {
+    emit openMessageNewTabRequested(m_sourceModel->messageAt(m_proxyModel->mapToSource(index).row()));
+  }
 }
 
 void MessagesView::markSelectedMessagesRead() {
diff --git a/src/gui/messagesview.h b/src/gui/messagesview.h
index 146670b6d..380c4cca1 100755
--- a/src/gui/messagesview.h
+++ b/src/gui/messagesview.h
@@ -51,6 +51,7 @@ class MessagesView : public QTreeView {
                           const QItemSelection &deselected);
 
   signals:
+    void openMessageNewTabRequested(const Message &message);
     void currentMessageChanged(const Message &message);
     void currentMessageRemoved();
 
diff --git a/src/gui/tabwidget.cpp b/src/gui/tabwidget.cpp
index 17a3dcd4c..036678cdc 100644
--- a/src/gui/tabwidget.cpp
+++ b/src/gui/tabwidget.cpp
@@ -174,6 +174,12 @@ int TabWidget::insertTab(int index, QWidget *widget, const QString &label,
   return tab_index;
 }
 
+int TabWidget::addBrowserWithMessage(const Message &message)  {
+  int new_index = addBrowser(false, false);
+  static_cast<WebBrowser*>(widget(new_index))->navigateToMessage(message);
+  return new_index;
+}
+
 int TabWidget::addEmptyBrowser() {
   return addBrowser(false, true);
 }
diff --git a/src/gui/tabwidget.h b/src/gui/tabwidget.h
index de14f4b29..784cfd8eb 100644
--- a/src/gui/tabwidget.h
+++ b/src/gui/tabwidget.h
@@ -9,6 +9,7 @@
 
 
 class CornerButton;
+class Message;
 
 class TabWidget : public QTabWidget {
     Q_OBJECT
@@ -72,6 +73,8 @@ class TabWidget : public QTabWidget {
     // Closes all "closable" tabs except the active tab.
     void closeAllTabsExceptCurrent();
 
+    int addBrowserWithMessage(const Message &message);
+
     // Adds new WebBrowser tab to global TabWidget.
     int addEmptyBrowser();