diff --git a/HISTORY b/HISTORY
index ec5703a..4d24d57 100644
--- a/HISTORY
+++ b/HISTORY
@@ -392,4 +392,6 @@ Version 0.6.1
 - changed skinrepository from static file to github repository
 - fixed flickering when main menu is fading
 - some changes in metrixHD
+- changed font in metrixhd from "VDROpen Sans" to "Open Sans"
+- fixed crashes if main menu is opened consecutively
 
diff --git a/views/displaymenuitemview.c b/views/displaymenuitemview.c
index 3e51d46..4f90f3a 100644
--- a/views/displaymenuitemview.c
+++ b/views/displaymenuitemview.c
@@ -73,6 +73,8 @@ void cDisplayMenuItemView::EndScrolling(void) {
 void cDisplayMenuItemView::Action(void) {
     if (scrolling) {
         DoSleep(scrollDelay);
+        if (!Running())
+            return;
         PrepareScrolling();
         if (scrollOrientation == orHorizontal) {
             ScrollHorizontal(scrollingPix, scrollDelay, scrollSpeed, scrollMode);
diff --git a/views/displaymenulistview.c b/views/displaymenulistview.c
index f40b129..1c4fa2b 100644
--- a/views/displaymenulistview.c
+++ b/views/displaymenulistview.c
@@ -84,10 +84,12 @@ int cDisplayMenuListView::GetListWidth(void) {
 
 void cDisplayMenuListView::Clear(void) {
     for (int i=0; i<itemCount; i++) {
+        Lock();
         if (menuItems[i]) {
             delete menuItems[i];
             menuItems[i] = NULL;
         }
+        Unlock();
     }
     oneColumn = true;
     for (int i=0; i<cSkinDisplayMenu::MaxTabs; i++) {
diff --git a/views/displaymenulistview.h b/views/displaymenulistview.h
index 4e69457..c7aba12 100644
--- a/views/displaymenulistview.h
+++ b/views/displaymenulistview.h
@@ -7,6 +7,7 @@
 
 class cDisplayMenuListView {
 private:
+    cMutex mutex;
     cTemplateViewList *tmplList;
     eMenuCategory cat;
     string currentPlug;
@@ -19,6 +20,8 @@ private:
 public:
     cDisplayMenuListView(cTemplateViewList *tmplList, int count, eMenuCategory cat = mcUnknown, string currentPlug = "");
     virtual ~cDisplayMenuListView();
+    void Lock(void) { mutex.Lock(); };
+    void Unlock(void) { mutex.Unlock(); };
     void Clear(void);
     void SetTabs(int tab1, int tab2, int tab3, int tab4, int tab5);
     int GetMaxItems(void) { return itemCount; };
diff --git a/views/displaymenurootview.c b/views/displaymenurootview.c
index ad735aa..bf3981f 100644
--- a/views/displaymenurootview.c
+++ b/views/displaymenurootview.c
@@ -347,11 +347,15 @@ void cDisplayMenuRootView::KeyInput(bool up, bool page) {
 
 void cDisplayMenuRootView::Clear(void) {
     if (view) {
+        view->Lock();
         view->ClearChannel();
         view->ClearEpgSearchFavorite();
+        view->Unlock();
     }
     if (listView) {
+        listView->Lock();
         listView->Clear();
+        listView->Unlock();
     }
     if (detailView) {
         delete detailView;
@@ -422,6 +426,7 @@ cFont *cDisplayMenuRootView::GetTextAreaFont(void) {
 void cDisplayMenuRootView::Render(void) {
     if (!view)
         return;
+    view->Lock();
     view->DrawDebugGrid();
     if (!view->DrawBackground()) {
         defaultBackgroundDrawn = true;
@@ -453,6 +458,7 @@ void cDisplayMenuRootView::Render(void) {
 
     view->DrawStaticViewElements();
     view->DrawDynamicViewElements();
+    view->Unlock();
 }
 
 void cDisplayMenuRootView::RenderMenuItems(void) {
diff --git a/views/view.c b/views/view.c
index 636cefb..de28cfc 100644
--- a/views/view.c
+++ b/views/view.c
@@ -44,16 +44,20 @@ cView::~cView() {
         cDevice::PrimaryDevice()->ScaleVideo(cRect::Null);
     }
     //clear detached views
+    Lock();
     for (map<eViewElement,cViewElement*>::iterator dVeIt = detachedViewElements.begin(); dVeIt != detachedViewElements.end(); dVeIt++) {
         cViewElement *ve = dVeIt->second;
         delete ve;
     }
+    Unlock();
     //clear animations
+    Lock();
     for (multimap<int, cAnimation*>::iterator animIt = animations.begin(); animIt != animations.end(); animIt++) {
         cAnimation *anim = animIt->second;
         anim->Stop();
         delete anim;
     }
+    Unlock();
     //shift or fade out
     if (fadeOut) {
         if (IsAnimated())
@@ -94,6 +98,8 @@ void cView::Action(void) {
     DoFlush();
     if (scrolling) {
         DoSleep(scrollDelay);
+        if (!Running())
+            return;
         if (scrollOrientation == orHorizontal) {
             ActivateScrolling();
             ScrollHorizontal(scrollingPix, scrollDelay, scrollSpeed, scrollMode);
diff --git a/views/view.h b/views/view.h
index 8211028..d530f83 100644
--- a/views/view.h
+++ b/views/view.h
@@ -14,6 +14,7 @@ class cViewElement;
 
 class cView : public cPixmapContainer {
 private:
+    cMutex mutex;
     void Init(void);
     void DoDrawDebugGrid(void);
     void DoFill(int num, cTemplateFunction *func);
@@ -76,8 +77,10 @@ public:
     cView(cTemplateView *tmplView);
     cView(cTemplateViewElement *tmplViewElement);
     cView(cTemplateViewTab *tmplTab);
-    void DrawDebugGrid(void);
     virtual ~cView();
+    void Lock(void) { mutex.Lock(); };
+    void Unlock(void) { mutex.Unlock(); };
+    void DrawDebugGrid(void);
     virtual void Stop(void);
     void HideAnimations(void);
     void ShowAnimations(void);