diff --git a/src/lib/3rdparty/qtsingleapplication.cpp b/src/lib/3rdparty/qtsingleapplication.cpp
index e10c72a3c..81d75dc42 100644
--- a/src/lib/3rdparty/qtsingleapplication.cpp
+++ b/src/lib/3rdparty/qtsingleapplication.cpp
@@ -159,8 +159,9 @@ void QtSingleApplication::sysInit(const QString &appId)
 
 QtSingleApplication::QtSingleApplication(int &argc, char** argv, bool GUIenabled)
     : QApplication(argc, argv, GUIenabled)
+    , peer(0)
+    , actWin(0)
 {
-    sysInit();
 }
 
 
@@ -172,6 +173,8 @@ QtSingleApplication::QtSingleApplication(int &argc, char** argv, bool GUIenabled
 
 QtSingleApplication::QtSingleApplication(const QString &appId, int &argc, char** argv)
     : QApplication(argc, argv)
+    , peer(0)
+    , actWin(0)
 {
     sysInit(appId);
 }
@@ -184,8 +187,9 @@ QtSingleApplication::QtSingleApplication(const QString &appId, int &argc, char**
 */
 QtSingleApplication::QtSingleApplication(int &argc, char** argv, Type type)
     : QApplication(argc, argv, type)
+    , peer(0)
+    , actWin(0)
 {
-    sysInit();
 }
 
 
@@ -198,6 +202,8 @@ QtSingleApplication::QtSingleApplication(int &argc, char** argv, Type type)
 */
 QtSingleApplication::QtSingleApplication(Display* dpy, Qt::HANDLE visual, Qt::HANDLE cmap)
     : QApplication(dpy, visual, cmap)
+    , peer(0)
+    , actWin(0)
 {
     sysInit();
 }
@@ -211,6 +217,8 @@ QtSingleApplication::QtSingleApplication(Display* dpy, Qt::HANDLE visual, Qt::HA
 */
 QtSingleApplication::QtSingleApplication(Display* dpy, int &argc, char** argv, Qt::HANDLE visual, Qt::HANDLE cmap)
     : QApplication(dpy, argc, argv, visual, cmap)
+    , peer(0)
+    , actWin(0)
 {
     sysInit();
 }
@@ -224,6 +232,8 @@ QtSingleApplication::QtSingleApplication(Display* dpy, int &argc, char** argv, Q
 */
 QtSingleApplication::QtSingleApplication(Display* dpy, const QString &appId, int argc, char** argv, Qt::HANDLE visual, Qt::HANDLE cmap)
     : QApplication(dpy, argc, argv, visual, cmap)
+    , peer(0)
+    , actWin(0)
 {
     sysInit(appId);
 }
@@ -246,10 +256,15 @@ bool QtSingleApplication::isRunning()
 #ifdef Q_OS_HAIKU
     return false;
 #else
-    return peer->isClient();
+    return (peer && peer->isClient());
 #endif
 }
 
+void QtSingleApplication::setAppId(const QString &id)
+{
+    sysInit(id);
+}
+
 
 /*!
     Tries to send the text \a message to the currently running
@@ -269,7 +284,7 @@ bool QtSingleApplication::sendMessage(const QString &message, int timeout)
 #ifdef Q_OS_HAIKU
     return false;
 #else
-    return peer->sendMessage(message, timeout);
+    return (peer && peer->sendMessage(message, timeout));
 #endif
 }
 
@@ -280,7 +295,7 @@ bool QtSingleApplication::sendMessage(const QString &message, int timeout)
 */
 QString QtSingleApplication::id() const
 {
-    return peer->applicationId();
+    return (peer ? peer->applicationId() : "");
 }
 
 
@@ -299,6 +314,10 @@ QString QtSingleApplication::id() const
 void QtSingleApplication::setActivationWindow(QWidget* aw, bool activateOnMessage)
 {
     actWin = aw;
+    if (!peer) {
+        return;
+    }
+
     if (activateOnMessage) {
         connect(peer, SIGNAL(messageReceived(const QString &)), this, SLOT(activateWindow()));
     }
diff --git a/src/lib/3rdparty/qtsingleapplication.h b/src/lib/3rdparty/qtsingleapplication.h
index f8a5fd86f..d3d0f29e2 100644
--- a/src/lib/3rdparty/qtsingleapplication.h
+++ b/src/lib/3rdparty/qtsingleapplication.h
@@ -80,6 +80,7 @@ public:
 #endif
 
     bool isRunning();
+    void setAppId(const QString &id);
     QString id() const;
 
     void setActivationWindow(QWidget* aw, bool activateOnMessage = true);
diff --git a/src/lib/app/mainapplication.cpp b/src/lib/app/mainapplication.cpp
index 6e35264ac..b807b8f7d 100644
--- a/src/lib/app/mainapplication.cpp
+++ b/src/lib/app/mainapplication.cpp
@@ -54,18 +54,20 @@
 #endif
 #include <QWebSecurityOrigin>
 #include <QNetworkDiskCache>
-#include <QDir>
 #include <QDesktopServices>
-#include <QSettings>
-#include <QTimer>
 #include <QTranslator>
+#include <QSettings>
+#include <QProcess>
+#include <QDebug>
+#include <QTimer>
+#include <QDir>
 
 #if defined(PORTABLE_BUILD) && !defined(NO_SYSTEM_DATAPATH)
 #define NO_SYSTEM_DATAPATH
 #endif
 
 MainApplication::MainApplication(int &argc, char** argv)
-    : QtSingleApplication("QupZillaWebBrowser", argc, argv)
+    : QtSingleApplication(argc, argv)
     , m_cookiemanager(0)
     , m_browsingLibrary(0)
     , m_historymodel(0)
@@ -80,6 +82,7 @@ MainApplication::MainApplication(int &argc, char** argv)
     , m_desktopNotifications(0)
     , m_searchEnginesManager(0)
     , m_dbWriter(new DatabaseWriter(this))
+    , m_isPrivateSession(false)
     , m_isClosing(false)
     , m_isStateChanged(false)
     , m_isRestoring(false)
@@ -135,8 +138,7 @@ MainApplication::MainApplication(int &argc, char** argv)
                 m_postLaunchActions.append(OpenDownloadManager);
                 break;
             case Qz::CL_StartPrivateBrowsing:
-                messages.append("ACTION:StartPrivateBrowsing");
-                m_postLaunchActions.append(PrivateBrowsing);
+                m_isPrivateSession = true;
                 break;
             case Qz::CL_OpenUrlInCurrentTab:
                 startUrl = QUrl::fromUserInput(pair.text);
@@ -156,6 +158,11 @@ MainApplication::MainApplication(int &argc, char** argv)
         }
     }
 
+    // Don't start single application in private browsing
+    if (!m_isPrivateSession) {
+        setAppId("QupZillaWebBrowser");
+    }
+
     if (messages.isEmpty()) {
         messages.append(" ");
     }
@@ -201,11 +208,6 @@ MainApplication::MainApplication(int &argc, char** argv)
 
     Settings::createSettings(m_activeProfil + "settings.ini");
 
-    Settings settings;
-    m_startingAfterCrash = settings.value("SessionRestore/isRunning", false).toBool();
-    bool checkUpdates = settings.value("Web-Browser-Settings/CheckUpdates", DEFAULT_CHECK_UPDATES).toBool();
-    settings.setValue("SessionRestore/isRunning", true);
-
     translateApp();
 
     QupZilla* qupzilla = new QupZilla(Qz::BW_FirstAppWindow, startUrl);
@@ -224,8 +226,15 @@ MainApplication::MainApplication(int &argc, char** argv)
         m_plugins->loadPlugins();
     }
 
-    if (checkUpdates) {
-        new Updater(qupzilla);
+    if (!m_isPrivateSession) {
+        Settings settings;
+        m_startingAfterCrash = settings.value("SessionRestore/isRunning", false).toBool();
+        bool checkUpdates = settings.value("Web-Browser-Settings/CheckUpdates", DEFAULT_CHECK_UPDATES).toBool();
+        settings.setValue("SessionRestore/isRunning", true);
+
+        if (checkUpdates) {
+            new Updater(qupzilla);
+        }
     }
 
     QTimer::singleShot(0, this, SLOT(postLaunch()));
@@ -236,10 +245,6 @@ MainApplication::MainApplication(int &argc, char** argv)
 
 void MainApplication::postLaunch()
 {
-    if (m_postLaunchActions.contains(PrivateBrowsing)) {
-        togglePrivateBrowsingMode(true);
-    }
-
     if (m_postLaunchActions.contains(OpenDownloadManager)) {
         downManager()->show();
     }
@@ -303,7 +308,11 @@ void MainApplication::loadSettings()
 
     //Web browsing settings
     settings.beginGroup("Web-Browser-Settings");
-    m_websettings->enablePersistentStorage(m_activeProfil);
+
+    if (!m_isPrivateSession) {
+        m_websettings->enablePersistentStorage(m_activeProfil);
+        m_websettings->setAttribute(QWebSettings::LocalStorageEnabled, settings.value("HTML5StorageEnabled", true).toBool());
+    }
     m_websettings->setAttribute(QWebSettings::DeveloperExtrasEnabled, true);
     m_websettings->setAttribute(QWebSettings::PluginsEnabled, settings.value("allowFlash", true).toBool());
     m_websettings->setAttribute(QWebSettings::JavascriptEnabled, settings.value("allowJavaScript", true).toBool());
@@ -315,7 +324,6 @@ void MainApplication::loadSettings()
     m_websettings->setAttribute(QWebSettings::ZoomTextOnly, settings.value("zoomTextOnly", false).toBool());
     m_websettings->setAttribute(QWebSettings::PrintElementBackgrounds, settings.value("PrintElementBackground", true).toBool());
     m_websettings->setAttribute(QWebSettings::XSSAuditingEnabled, settings.value("XSSAuditing", false).toBool());
-    m_websettings->setAttribute(QWebSettings::LocalStorageEnabled, settings.value("HTML5StorageEnabled", true).toBool());
     m_websettings->setMaximumPagesInCache(settings.value("maximumCachedPages", 3).toInt());
     m_websettings->setDefaultTextEncoding(settings.value("DefaultEncoding", m_websettings->defaultTextEncoding()).toString());
 
@@ -353,6 +361,11 @@ void MainApplication::loadSettings()
     // Allows to load files from qrc: scheme in qupzilla: pages
     QWebSecurityOrigin::addLocalScheme("qupzilla");
 
+    if (m_isPrivateSession) {
+        m_websettings->setAttribute(QWebSettings::PrivateBrowsingEnabled, true);
+        history()->setSaving(false);
+    }
+
     if (m_downloadManager) {
         m_downloadManager->loadSettings();
     }
@@ -418,15 +431,6 @@ QList<QupZilla*> MainApplication::mainWindows()
     return list;
 }
 
-void MainApplication::togglePrivateBrowsingMode(bool state)
-{
-    webSettings()->setAttribute(QWebSettings::PrivateBrowsingEnabled, state);
-    history()->setSaving(!state);
-    cookieJar()->turnPrivateJar(state);
-
-    emit message(Qz::AM_CheckPrivateBrowsing, state);
-}
-
 void MainApplication::sendMessages(Qz::AppMessageType mes, bool state)
 {
     emit message(mes, state);
@@ -454,9 +458,6 @@ void MainApplication::receiveAppMessage(QString message)
             downManager()->show();
             actWin = downManager();
         }
-        else if (text == "StartPrivateBrowsing") {
-            sendMessages(Qz::AM_StartPrivateBrowsing, true);
-        }
         else if (text.startsWith("OpenUrlInCurrentTab")) {
             actUrl = QUrl::fromUserInput(text.remove("OpenUrlInCurrentTab"));
         }
@@ -534,6 +535,11 @@ void MainApplication::connectDatabase()
         db.setDatabaseName(m_activeProfil + "browsedata.db");
         qWarning("Cannot find SQLite database file! Copying and using the defaults!");
     }
+
+    if (m_isPrivateSession) {
+        db.setConnectOptions("QSQLITE_OPEN_READONLY");
+    }
+
     if (!db.open()) {
         qWarning("Cannot open SQLite database! Continuing without database....");
     }
@@ -583,6 +589,10 @@ void MainApplication::quitApplication()
 
 void MainApplication::saveSettings()
 {
+    if (m_isPrivateSession) {
+        return;
+    }
+
     m_isClosing = true;
     m_networkmanager->disconnectObjects();
 
@@ -730,6 +740,41 @@ DesktopNotificationsFactory* MainApplication::desktopNotifications()
     return m_desktopNotifications;
 }
 
+void MainApplication::startPrivateBrowsing()
+{
+    QStringList args;
+    foreach(const QString & arg, arguments()) {
+        if (arg.startsWith("-")) {
+            args.append(arg);
+        }
+    }
+
+    args.append("--private-browsing");
+
+    if (!QProcess::startDetached(applicationFilePath(), args)) {
+        qWarning() << "MainApplication: Cannot start new browser process for private browsing!" << applicationFilePath() << args;
+    }
+}
+
+QUrl MainApplication::userStyleSheet(const QString &filePath) const
+{
+    QString userStyle;
+
+    QFile file(filePath);
+    if (!filePath.isEmpty() && file.open(QFile::ReadOnly)) {
+        userStyle = file.readAll();
+        userStyle.remove("\n");
+        file.close();
+    }
+
+    userStyle.append(AdBlockManager::instance()->elementHidingRules() + "{ display:none !important;}");
+
+    QString encodedStyle = userStyle.toAscii().toBase64();
+    QString dataString = QString("data:text/css;charset=utf-8;base64,%1").arg(encodedStyle);
+
+    return QUrl(dataString);
+}
+
 void MainApplication::aboutToCloseWindow(QupZilla* window)
 {
     if (!window) {
@@ -754,8 +799,7 @@ static const int sessionVersion = 0x0003;
 
 bool MainApplication::saveStateSlot()
 {
-    if (m_websettings->testAttribute(QWebSettings::PrivateBrowsingEnabled) ||
-            m_isRestoring || m_mainWindows.count() == 0) {
+    if (m_isPrivateSession || m_isRestoring || m_mainWindows.count() == 0) {
         return false;
     }
 
@@ -794,7 +838,7 @@ bool MainApplication::saveStateSlot()
 
 bool MainApplication::restoreStateSlot(QupZilla* window)
 {
-    if (m_postLaunchActions.contains(PrivateBrowsing)) {
+    if (m_isPrivateSession) {
         return false;
     }
 
@@ -844,25 +888,6 @@ bool MainApplication::restoreStateSlot(QupZilla* window)
     return true;
 }
 
-QUrl MainApplication::userStyleSheet(const QString &filePath) const
-{
-    QString userStyle;
-
-    QFile file(filePath);
-    if (!filePath.isEmpty() && file.open(QFile::ReadOnly)) {
-        userStyle = file.readAll();
-        userStyle.remove("\n");
-        file.close();
-    }
-
-    userStyle.append(AdBlockManager::instance()->elementHidingRules() + "{ display:none !important;}");
-
-    QString encodedStyle = userStyle.toAscii().toBase64();
-    QString dataString = QString("data:text/css;charset=utf-8;base64,%1").arg(encodedStyle);
-
-    return QUrl(dataString);
-}
-
 bool MainApplication::checkSettingsDir()
 {
     /*
diff --git a/src/lib/app/mainapplication.h b/src/lib/app/mainapplication.h
index b40bdfbf7..6dc9cbd21 100644
--- a/src/lib/app/mainapplication.h
+++ b/src/lib/app/mainapplication.h
@@ -72,14 +72,13 @@ public:
     inline static MainApplication* getInstance() { return static_cast<MainApplication*>(QCoreApplication::instance()); }
     inline QString currentProfilePath() { return m_activeProfil; }
     inline QString currentLanguage() { return m_activeLanguage; }
+    inline bool isPrivateSession() { return m_isPrivateSession; }
     inline bool isClosing() { return m_isClosing; }
     inline bool isStartingAfterCrash() { return m_startingAfterCrash; }
     inline int windowCount() { return m_mainWindows.count(); }
 
     bool checkSettingsDir();
 
-    void togglePrivateBrowsingMode(bool state);
-
     QupZilla* getWindow();
     CookieManager* cookieManager();
     BrowsingLibrary* browsingLibrary();
@@ -109,6 +108,8 @@ public slots:
     void setStateChanged();
     void addNewTab(const QUrl &url = QUrl());
 
+    void startPrivateBrowsing();
+
 signals:
     void message(Qz::AppMessageType mes, bool state);
 
@@ -149,6 +150,7 @@ private:
     QString m_activeLanguage;
     QString m_activeThemePath;
 
+    bool m_isPrivateSession;
     bool m_isClosing;
     bool m_isStateChanged;
     bool m_isRestoring;
diff --git a/src/lib/app/qupzilla.cpp b/src/lib/app/qupzilla.cpp
index 9b5b485dc..24b7a94d1 100644
--- a/src/lib/app/qupzilla.cpp
+++ b/src/lib/app/qupzilla.cpp
@@ -108,6 +108,10 @@ QupZilla::QupZilla(Qz::BrowserWindow type, QUrl startUrl)
     setAttribute(Qt::WA_DeleteOnClose);
     setWindowTitle(tr("QupZilla"));
 
+    if (mApp->isPrivateSession()) {
+        setProperty("private", QVariant(true));
+    }
+
     m_isStarting = true;
 
     setupUi();
@@ -450,9 +454,8 @@ void QupZilla::setupMenu()
     m_menuTools->addAction(QIcon::fromTheme("edit-clear"), tr("Clear Recent &History"), this, SLOT(showClearPrivateData()));
     m_actionPrivateBrowsing = new QAction(tr("&Private Browsing"), this);
     m_actionPrivateBrowsing->setShortcut(QKeySequence("Ctrl+Shift+P"));
-    m_actionPrivateBrowsing->setCheckable(true);
-    m_actionPrivateBrowsing->setChecked(mApp->webSettings()->testAttribute(QWebSettings::PrivateBrowsingEnabled));
-    connect(m_actionPrivateBrowsing, SIGNAL(triggered(bool)), this, SLOT(startPrivate(bool)));
+    m_actionPrivateBrowsing->setVisible(!mApp->isPrivateSession());
+    connect(m_actionPrivateBrowsing, SIGNAL(triggered(bool)), mApp, SLOT(startPrivateBrowsing()));
     m_menuTools->addAction(m_actionPrivateBrowsing);
     m_menuTools->addSeparator();
 #if !defined(Q_WS_X11) && !defined(Q_WS_MAC)
@@ -581,8 +584,7 @@ void QupZilla::loadSettings()
     m_sideBarManager->showSideBar(activeSideBar, false);
 
     //Private browsing
-    m_actionPrivateBrowsing->setChecked(mApp->webSettings()->testAttribute(QWebSettings::PrivateBrowsingEnabled));
-    m_privateBrowsing->setVisible(mApp->webSettings()->testAttribute(QWebSettings::PrivateBrowsingEnabled));
+    m_privateBrowsing->setVisible(mApp->isPrivateSession());
 
 #ifdef Q_WS_WIN
     if (m_usingTransparentBackground && !makeTransparent) {
@@ -657,7 +659,7 @@ void QupZilla::setWindowTitle(const QString &t)
 {
     QString title = t;
 
-    if (mApp->webSettings()->testAttribute(QWebSettings::PrivateBrowsingEnabled)) {
+    if (mApp->isPrivateSession()) {
         title.append(tr(" (Private Browsing)"));
     }
 
@@ -695,10 +697,6 @@ void QupZilla::receiveMessage(Qz::AppMessageType mes, bool state)
         m_bookmarksMenuChanged = true;
         break;
 
-    case Qz::AM_StartPrivateBrowsing:
-        startPrivate(state);
-        break;
-
     default:
         qWarning("Unresolved message sent! This could never happen!");
         break;
@@ -1499,40 +1497,6 @@ void QupZilla::savePageScreen()
     p->show();
 }
 
-void QupZilla::startPrivate(bool state)
-{
-    static bool askedThisSession = false;
-
-    Settings settings;
-    bool askNow = settings.value("Browser-View-Settings/AskOnPrivate", true).toBool();
-
-    if (state && askNow && !askedThisSession) {
-        QString title = tr("Are you sure you want to turn on private browsing?");
-        QString text1 = tr("When private browsing is turned on, some actions concerning your privacy will be disabled:");
-
-        QStringList actions;
-        actions.append(tr("Webpages are not added to the history."));
-        actions.append(tr("Current cookies cannot be accessed."));
-        actions.append(tr("Your session is not stored."));
-
-        QString text2 = tr("Until you close the window, you can still click the Back and Forward "
-                           "buttons to return to the webpages you have opened.");
-
-        QString message = QString(QLatin1String("<b>%1</b><p>%2</p><ul><li>%3</li></ul><p>%4</p>")).arg(title, text1, actions.join(QLatin1String("</li><li>")), text2);
-
-        QMessageBox::StandardButton button = QMessageBox::question(this, tr("Start Private Browsing"),
-                                             message, QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
-        if (button != QMessageBox::Yes) {
-            m_actionPrivateBrowsing->setChecked(false);
-            return;
-        }
-
-        askedThisSession = true;
-    }
-
-    mApp->togglePrivateBrowsingMode(state);
-}
-
 void QupZilla::resizeEvent(QResizeEvent* event)
 {
     m_bookmarksToolbar->setMaximumWidth(width());
diff --git a/src/lib/app/qupzilla.h b/src/lib/app/qupzilla.h
index f30f0710d..9db62ec98 100644
--- a/src/lib/app/qupzilla.h
+++ b/src/lib/app/qupzilla.h
@@ -181,7 +181,6 @@ private slots:
     void zoomOut();
     void zoomReset();
     void fullScreen(bool make);
-    void startPrivate(bool state);
     void changeEncoding();
 
     void closeWindow();
diff --git a/src/lib/app/qz_namespace.h b/src/lib/app/qz_namespace.h
index 81c5e2902..2c2df8ee8 100644
--- a/src/lib/app/qz_namespace.h
+++ b/src/lib/app/qz_namespace.h
@@ -35,7 +35,6 @@ enum AppMessageType {
     AM_ReloadSettings,
     AM_HistoryStateChanged,
     AM_BookmarksChanged,
-    AM_StartPrivateBrowsing
 };
 
 enum BrowserWindow {
diff --git a/src/lib/autofill/autofillmodel.cpp b/src/lib/autofill/autofillmodel.cpp
index ee66c076e..5882de188 100644
--- a/src/lib/autofill/autofillmodel.cpp
+++ b/src/lib/autofill/autofillmodel.cpp
@@ -234,7 +234,7 @@ void AutoFillModel::completePage(WebPage* page)
 void AutoFillModel::post(const QNetworkRequest &request, const QByteArray &outgoingData)
 {
     //Dont save in private browsing
-    if (mApp->webSettings()->testAttribute(QWebSettings::PrivateBrowsingEnabled)) {
+    if (mApp->isPrivateSession()) {
         return;
     }
 
diff --git a/src/lib/bookmarks/bookmarkicon.cpp b/src/lib/bookmarks/bookmarkicon.cpp
index f9e513874..0ec9231ec 100644
--- a/src/lib/bookmarks/bookmarkicon.cpp
+++ b/src/lib/bookmarks/bookmarkicon.cpp
@@ -88,7 +88,7 @@ void BookmarkIcon::speedDialChanged()
 
 void BookmarkIcon::setBookmarkSaved()
 {
-    setProperty("bookmarked", true);
+    setProperty("bookmarked", QVariant(true));
     style()->unpolish(this);
     style()->polish(this);
     setToolTip(tr("Edit this bookmark"));
@@ -96,7 +96,7 @@ void BookmarkIcon::setBookmarkSaved()
 
 void BookmarkIcon::setBookmarkDisabled()
 {
-    setProperty("bookmarked", false);
+    setProperty("bookmarked", QVariant(false));
     style()->unpolish(this);
     style()->polish(this);
     setToolTip(tr("Bookmark this Page"));
diff --git a/src/lib/cookies/cookiejar.cpp b/src/lib/cookies/cookiejar.cpp
index 20372c6c5..ed9b18b94 100644
--- a/src/lib/cookies/cookiejar.cpp
+++ b/src/lib/cookies/cookiejar.cpp
@@ -118,17 +118,11 @@ bool CookieJar::setCookiesFromUrl(const QList<QNetworkCookie> &cookieList, const
 
 void CookieJar::saveCookies()
 {
-    if (m_deleteOnClose) {
+    if (m_deleteOnClose || mApp->isPrivateSession()) {
         return;
     }
 
-    QList<QNetworkCookie> allCookies;
-    if (m_tempList.isEmpty()) {
-        allCookies = getAllCookies();
-    }
-    else {
-        allCookies = m_tempList;
-    }
+    QList<QNetworkCookie> allCookies = getAllCookies();
 
     QFile file(m_activeProfil + "cookies.dat");
     file.open(QIODevice::WriteOnly);
@@ -150,9 +144,10 @@ void CookieJar::saveCookies()
 
 void CookieJar::restoreCookies()
 {
-    if (!QFile::exists(m_activeProfil + "cookies.dat")) {
+    if (!QFile::exists(m_activeProfil + "cookies.dat") || mApp->isPrivateSession()) {
         return;
     }
+
     QDateTime now = QDateTime::currentDateTime();
 
     QList<QNetworkCookie> restoredCookies;
@@ -184,12 +179,7 @@ void CookieJar::restoreCookies()
 
 void CookieJar::clearCookies()
 {
-    if (m_tempList.isEmpty()) {
-        setAllCookies(QList<QNetworkCookie>());
-    }
-    else {
-        m_tempList.clear();
-    }
+    setAllCookies(QList<QNetworkCookie>());
 }
 
 QList<QNetworkCookie> CookieJar::getAllCookies()
@@ -201,16 +191,3 @@ void CookieJar::setAllCookies(const QList<QNetworkCookie> &cookieList)
 {
     QNetworkCookieJar::setAllCookies(cookieList);
 }
-
-void CookieJar::turnPrivateJar(bool state)
-{
-    if (state) {
-        m_tempList = QNetworkCookieJar::allCookies();
-        QNetworkCookieJar::setAllCookies(QList<QNetworkCookie>());
-    }
-    else {
-        QNetworkCookieJar::setAllCookies(m_tempList);
-        m_tempList.clear();
-    }
-}
-
diff --git a/src/lib/cookies/cookiejar.h b/src/lib/cookies/cookiejar.h
index c87f465c7..898f0e954 100644
--- a/src/lib/cookies/cookiejar.h
+++ b/src/lib/cookies/cookiejar.h
@@ -41,10 +41,10 @@ public:
     void clearCookies();
 
     void setAllowCookies(bool allow);
-    void turnPrivateJar(bool state);
 
 private:
     QupZilla* p_QupZilla;
+
     bool m_allowCookies;
     bool m_filterTrackingCookie;
     bool m_allowCookiesFromDomain;
@@ -54,7 +54,6 @@ private:
     QStringList m_blacklist;
 
     QString m_activeProfil;
-    QList<QNetworkCookie> m_tempList;
 };
 
 #endif // COOKIEJAR_H
diff --git a/src/lib/data/html/start.html b/src/lib/data/html/start.html
index 76d500a0e..dbef49fcf 100644
--- a/src/lib/data/html/start.html
+++ b/src/lib/data/html/start.html
@@ -5,6 +5,7 @@
 <style>
 html {background: #eeeeee;font: 13px/22px "Helvetica Neue", Helvetica, Arial, sans-serif;color: #525c66;}
 #box {max-width: 500px;margin: 25px auto 0px auto;padding: 0px 40px 0px 40px;border-width: 20px;-webkit-border-image: url(%BOX-BORDER%) 25;}
+h1 {color: #1a4ba4;font-size: 160%;margin-top: 0px;}
 .line {width: 400px;height: 25px;text-align: center;border: 1px solid #babcb8;}
 .line:focus {border-color: #579eea;}
 .submit {margin-top: 5px;}
@@ -16,13 +17,15 @@ a {color: #1a4ba4;text-decoration: none;font-weight: bold;}
   <div id="box">
 <center>
 
-<img src="%ABOUT-IMG%"">
-<form action="http://www.google.com/search?client=qupzilla" method="GET">
+<img src="%ABOUT-IMG%">
+%PRIVATE-BROWSING%
+<form action="https://duckduckgo.com/" method="GET">
+    <input type="hidden" name="t" value="qupzilla" />
     <input class="line" id="inp" class="question" name="q"/> <br/>
-    <input class="submit" type="submit" name="search" value="%BUTTON-LABEL%">
+    <input class="submit" type="submit" value="%BUTTON-LABEL%">
 </form>
 
-<p class="bottom">%SEARCH-BY-GOOGLE% | <a href="%WWW%">%ABOUT-QUPZILLA%</a></p>
+<p class="bottom">%SEARCH-BY% | <a href="%WWW%">%ABOUT-QUPZILLA%</a></p>
 </center>
   </div>
 </body></html>
diff --git a/src/lib/downloads/downloadmanager.cpp b/src/lib/downloads/downloadmanager.cpp
index 960d924f5..d14b00609 100644
--- a/src/lib/downloads/downloadmanager.cpp
+++ b/src/lib/downloads/downloadmanager.cpp
@@ -220,7 +220,7 @@ void DownloadManager::handleUnsupportedContent(QNetworkReply* reply, WebPage* pa
         return;
     }
 
-    reply->setProperty("downReply", true);
+    reply->setProperty("downReply", QVariant(true));
 
     DownloadFileHelper* h = new DownloadFileHelper(m_lastDownloadPath, m_downloadPath, m_useNativeDialog, page);
     connect(h, SIGNAL(itemCreated(QListWidgetItem*, DownloadItem*)), this, SLOT(itemCreated(QListWidgetItem*, DownloadItem*)));
diff --git a/src/lib/navigation/locationbar.cpp b/src/lib/navigation/locationbar.cpp
index 808edf71f..233f2e21b 100644
--- a/src/lib/navigation/locationbar.cpp
+++ b/src/lib/navigation/locationbar.cpp
@@ -246,11 +246,11 @@ void LocationBar::clearIcon()
 
 void LocationBar::setPrivacy(bool state)
 {
-    m_siteIcon->setProperty("secured", state);
+    m_siteIcon->setProperty("secured", QVariant(state));
     m_siteIcon->style()->unpolish(m_siteIcon);
     m_siteIcon->style()->polish(m_siteIcon);
 
-    setProperty("secured", state);
+    setProperty("secured", QVariant(state));
     style()->unpolish(this);
     style()->polish(this);
 }
diff --git a/src/lib/network/networkmanager.cpp b/src/lib/network/networkmanager.cpp
index 90de2bde6..7754536fe 100644
--- a/src/lib/network/networkmanager.cpp
+++ b/src/lib/network/networkmanager.cpp
@@ -81,7 +81,7 @@ void NetworkManager::loadSettings()
     Settings settings;
     settings.beginGroup("Web-Browser-Settings");
 
-    if (settings.value("AllowLocalCache", true).toBool()) {
+    if (settings.value("AllowLocalCache", true).toBool() && !mApp->isPrivateSession()) {
         QNetworkDiskCache* cache = mApp->networkCache();
         cache->setMaximumCacheSize(settings.value("MaximumCacheSize", 50).toInt() * 1024 * 1024); //MegaBytes
         setCache(cache);
@@ -260,7 +260,7 @@ void NetworkManager::authentication(QNetworkReply* reply, QAuthenticator* auth)
     emit wantsFocus(reply->url());
 
     //Do not save when private browsing is enabled
-    if (mApp->webSettings()->testAttribute(QWebSettings::PrivateBrowsingEnabled)) {
+    if (mApp->isPrivateSession()) {
         save->setVisible(false);
     }
 
diff --git a/src/lib/network/qupzillaschemehandler.cpp b/src/lib/network/qupzillaschemehandler.cpp
index 9e24da835..72b3cf2ff 100644
--- a/src/lib/network/qupzillaschemehandler.cpp
+++ b/src/lib/network/qupzillaschemehandler.cpp
@@ -167,10 +167,11 @@ QString QupZillaSchemeReply::startPage()
     sPage.replace("%ABOUT-IMG%", "qrc:icons/other/about.png");
 
     sPage.replace("%TITLE%", tr("Start Page"));
-    sPage.replace("%BUTTON-LABEL%", tr("Google Search"));
-    sPage.replace("%SEARCH-BY-GOOGLE%", tr("Search results provided by Google"));
+    sPage.replace("%BUTTON-LABEL%", tr("Search on Web"));
+    sPage.replace("%SEARCH-BY%", tr("Search results provided by DuckDuckGo"));
     sPage.replace("%WWW%", QupZilla::WIKIADDRESS);
     sPage.replace("%ABOUT-QUPZILLA%", tr("About QupZilla"));
+    sPage.replace("%PRIVATE-BROWSING%", mApp->isPrivateSession() ? tr("<h1>Private Browsing</h1>") : "");
 
     return sPage;
 }
diff --git a/src/lib/other/sourceviewersearch.cpp b/src/lib/other/sourceviewersearch.cpp
index fe5e240df..526f9ee15 100644
--- a/src/lib/other/sourceviewersearch.cpp
+++ b/src/lib/other/sourceviewersearch.cpp
@@ -65,7 +65,7 @@ void SourceViewerSearch::next()
         m_sourceViewer->sourceEdit()->moveCursor(QTextCursor::Start);
     }
 
-    ui->lineEdit->setProperty("notfound", !found);
+    ui->lineEdit->setProperty("notfound", QVariant(!found));
 
     ui->lineEdit->style()->unpolish(ui->lineEdit);
     ui->lineEdit->style()->polish(ui->lineEdit);
@@ -78,7 +78,7 @@ void SourceViewerSearch::previous()
         m_sourceViewer->sourceEdit()->moveCursor(QTextCursor::Start);
     }
 
-    ui->lineEdit->setProperty("notfound", !found);
+    ui->lineEdit->setProperty("notfound", QVariant(!found));
 
     ui->lineEdit->style()->unpolish(ui->lineEdit);
     ui->lineEdit->style()->polish(ui->lineEdit);
diff --git a/src/lib/preferences/preferences.cpp b/src/lib/preferences/preferences.cpp
index 90a9e9ab9..70c052fa9 100644
--- a/src/lib/preferences/preferences.cpp
+++ b/src/lib/preferences/preferences.cpp
@@ -153,7 +153,6 @@ Preferences::Preferences(QupZilla* mainClass, QWidget* parent)
     ui->showBackForward->setChecked(settings.value("showBackForwardButtons", true).toBool());
     ui->showAddTabButton->setChecked(settings.value("showAddTabButton", false).toBool());
     ui->useTransparentBg->setChecked(settings.value("useTransparentBackground", false).toBool());
-    ui->askOnPrivateBrowsing->setChecked(settings.value("AskOnPrivate", true).toBool());
     settings.endGroup();
 #ifdef Q_WS_WIN
     ui->useTransparentBg->setEnabled(QtWin::isCompositionEnabled());
@@ -757,7 +756,6 @@ void Preferences::saveSettings()
     settings.setValue("showBackForwardButtons", ui->showBackForward->isChecked());
     settings.setValue("useTransparentBackground", ui->useTransparentBg->isChecked());
     settings.setValue("showAddTabButton", ui->showAddTabButton->isChecked());
-    settings.setValue("AskOnPrivate", ui->askOnPrivateBrowsing->isChecked());
     settings.endGroup();
 
     //TABS
diff --git a/src/lib/preferences/preferences.ui b/src/lib/preferences/preferences.ui
index 5c85b85ef..f29c6bdda 100644
--- a/src/lib/preferences/preferences.ui
+++ b/src/lib/preferences/preferences.ui
@@ -841,13 +841,6 @@
                </property>
               </widget>
              </item>
-             <item>
-              <widget class="QCheckBox" name="askOnPrivateBrowsing">
-               <property name="text">
-                <string>Ask when entering Private Browsing mode</string>
-               </property>
-              </widget>
-             </item>
             </layout>
            </item>
            <item row="2" column="0">
diff --git a/src/lib/tools/closedtabsmanager.cpp b/src/lib/tools/closedtabsmanager.cpp
index 7a17bc6f9..990846f1c 100644
--- a/src/lib/tools/closedtabsmanager.cpp
+++ b/src/lib/tools/closedtabsmanager.cpp
@@ -28,8 +28,7 @@ ClosedTabsManager::ClosedTabsManager()
 
 void ClosedTabsManager::saveView(WebTab* tab, int position)
 {
-    if (mApp->webSettings()->testAttribute(QWebSettings::PrivateBrowsingEnabled) ||
-            (tab->url().isEmpty() && tab->history()->items().count() == 0)) {
+    if (mApp->isPrivateSession() || (tab->url().isEmpty() && tab->history()->items().count() == 0)) {
         return;
     }
 
diff --git a/src/lib/tools/iconprovider.cpp b/src/lib/tools/iconprovider.cpp
index fabe3936d..f2f25a2cf 100644
--- a/src/lib/tools/iconprovider.cpp
+++ b/src/lib/tools/iconprovider.cpp
@@ -46,7 +46,7 @@ IconProvider* IconProvider::instance()
 
 void IconProvider::saveIcon(WebView* view)
 {
-    if (mApp->webSettings()->testAttribute(QWebSettings::PrivateBrowsingEnabled)) {
+    if (mApp->isPrivateSession()) {
         // Don't save icons in private mode.
         return;
     }
diff --git a/src/lib/tools/plaineditwithlines.cpp b/src/lib/tools/plaineditwithlines.cpp
index 23466e0ba..a109be9d5 100644
--- a/src/lib/tools/plaineditwithlines.cpp
+++ b/src/lib/tools/plaineditwithlines.cpp
@@ -158,7 +158,7 @@ void PlainEditWithLines::highlightCurrentLine()
     QTextEdit::ExtraSelection selection;
 
     selection.format.setBackground(lineColor);
-    selection.format.setProperty(QTextFormat::FullWidthSelection, true);
+    selection.format.setProperty(QTextFormat::FullWidthSelection, QVariant(true));
     selection.cursor = textCursor();
     selection.cursor.clearSelection();
     selectionsList.append(selection);
diff --git a/src/lib/webview/searchtoolbar.cpp b/src/lib/webview/searchtoolbar.cpp
index 8964fec45..01b5d37b3 100644
--- a/src/lib/webview/searchtoolbar.cpp
+++ b/src/lib/webview/searchtoolbar.cpp
@@ -138,7 +138,7 @@ void SearchToolBar::searchText(const QString &text)
     }
 
 
-    ui->lineEdit->setProperty("notfound", !found);
+    ui->lineEdit->setProperty("notfound", QVariant(!found));
 
     ui->lineEdit->style()->unpolish(ui->lineEdit);
     ui->lineEdit->style()->polish(ui->lineEdit);
diff --git a/src/lib/webview/tabwidget.cpp b/src/lib/webview/tabwidget.cpp
index 6c690c8a2..e7f445794 100644
--- a/src/lib/webview/tabwidget.cpp
+++ b/src/lib/webview/tabwidget.cpp
@@ -653,6 +653,10 @@ QList<WebTab*> TabWidget::allTabs(bool withPinned)
 
 void TabWidget::savePinnedTabs()
 {
+    if (mApp->isPrivateSession()) {
+        return;
+    }
+
     QByteArray data;
     QDataStream stream(&data, QIODevice::WriteOnly);
 
@@ -679,6 +683,10 @@ void TabWidget::savePinnedTabs()
 
 void TabWidget::restorePinnedTabs()
 {
+    if (mApp->isPrivateSession()) {
+        return;
+    }
+
     QFile file(mApp->currentProfilePath() + "pinnedtabs.dat");
     file.open(QIODevice::ReadOnly);
     QByteArray sd = file.readAll();