diff --git a/YUViewLib/src/ui/mainwindow.cpp b/YUViewLib/src/ui/mainwindow.cpp
index d4bf1229d..eecbf478b 100644
--- a/YUViewLib/src/ui/mainwindow.cpp
+++ b/YUViewLib/src/ui/mainwindow.cpp
@@ -270,15 +270,17 @@ void MainWindow::createMenusAndActions()
   helpMenu->addAction("About YUView", this, &MainWindow::showAbout);
   helpMenu->addAction("Help", this, &MainWindow::showHelp);
   helpMenu->addSeparator();
-  helpMenu->addAction("Open Project Website...", this, &MainWindow::openProjectWebsite);
-  helpMenu->addAction("Check for new version", this, &MainWindow::checkForNewVersion);
+  helpMenu->addAction("Open Project Website...", [](){ QDesktopServices::openUrl(QUrl("https://github.com/IENT/YUView")); });
+  helpMenu->addAction("Check for new version", [this](){ this->updater->startCheckForNewVersion(); });
   QMenu *downloadsMenu = helpMenu->addMenu("Downloads");
-  downloadsMenu->addAction("libde265 HEVC decoder", this, &MainWindow::openLibde265Website);
-  downloadsMenu->addAction("HM reference HEVC decoder", this, &MainWindow::openHMWebsite);
-  downloadsMenu->addAction("VTM VVC decoder", this, &MainWindow::openVTMWebsize);
-  downloadsMenu->addAction("dav1d AV1 decoder", this, &MainWindow::openDav1dWebsite);
+  downloadsMenu->addAction("libde265 HEVC decoder", [](){ QDesktopServices::openUrl(QUrl("https://github.com/ChristianFeldmann/libde265/releases")); });
+  downloadsMenu->addAction("HM reference HEVC decoder", [](){ QDesktopServices::openUrl(QUrl("https://github.com/ChristianFeldmann/libHM/releases")); });
+  downloadsMenu->addAction("VTM VVC decoder", [](){ QDesktopServices::openUrl(QUrl("https://github.com/ChristianFeldmann/VTM/releases")); });
+  downloadsMenu->addAction("dav1d AV1 decoder", [](){ QDesktopServices::openUrl(QUrl("https://github.com/ChristianFeldmann/dav1d/releases")); });
+  downloadsMenu->addAction("FFmpeg libraries", [](){ QDesktopServices::openUrl(QUrl("https://ffmpeg.org/")); });
+  downloadsMenu->addAction("VVDec libraries", [](){ QDesktopServices::openUrl(QUrl("https://github.com/ChristianFeldmann/vvdec/releases/tag/libv0.2.0.1")); });
   helpMenu->addSeparator();
-  helpMenu->addAction("Performance Tests", this, &MainWindow::performanceTest);
+  helpMenu->addAction("Performance Tests", [this](){ this->performanceTest(); });
   helpMenu->addAction("Reset Window Layout", this, &MainWindow::resetWindowLayout);
   helpMenu->addAction("Clear Settings", this, &MainWindow::closeAndClearSettings);
 
diff --git a/YUViewLib/src/ui/mainwindow.h b/YUViewLib/src/ui/mainwindow.h
index 9a4f8c810..e2392e8de 100644
--- a/YUViewLib/src/ui/mainwindow.h
+++ b/YUViewLib/src/ui/mainwindow.h
@@ -97,15 +97,6 @@ private slots:
   bool handleKeyPressFromSeparateView(QKeyEvent *event) { return handleKeyPress(event); }
   bool handleKeyPress(QKeyEvent *event, bool keyFromSeparateView=true);
 
-  // Some slots for the actions.
-  void openProjectWebsite()  { QDesktopServices::openUrl(QUrl("https://github.com/IENT/YUView")); }
-  void openLibde265Website() { QDesktopServices::openUrl(QUrl("https://github.com/ChristianFeldmann/libde265/releases")); }
-  void openHMWebsite()       { QDesktopServices::openUrl(QUrl("https://github.com/ChristianFeldmann/libHM/releases")); }
-  void openVTMWebsize()      { QDesktopServices::openUrl(QUrl("https://github.com/ChristianFeldmann/VTM/releases")); }
-  void openDav1dWebsite()    { QDesktopServices::openUrl(QUrl("https://github.com/ChristianFeldmann/dav1d/releases")); }
-  void checkForNewVersion()  { updater->startCheckForNewVersion(); }
-  void performanceTest();
-
 private:
 
   Ui::MainWindow ui;
@@ -126,6 +117,8 @@ private slots:
   void showAboutHelp(bool about);
   void updateSettings();
 
+  void performanceTest();
+
   QPointer<QAction> recentFileActions[MAX_RECENT_FILES];
   QScopedPointer<videoCache> cache;
   bool saveWindowsStateOnExit;