diff --git a/src/src/UI/Manager/ImageViewStateCheckWorker.cpp b/src/src/UI/Manager/ImageViewStateCheckWorker.cpp
index 864d2ba..0a748a6 100644
--- a/src/src/UI/Manager/ImageViewStateCheckWorker.cpp
+++ b/src/src/UI/Manager/ImageViewStateCheckWorker.cpp
@@ -20,6 +20,10 @@ void ImageViewStateCheckWorker::checkImageViewState(DicomImageView *view) {
         state.canSync=mManager->checkSyncAbility(view);
         state.canMPR= view->checkMPRAble() ? view->getReconPlane() : -1;
         state.canFusion=mManager->checkViewFusion(view);
-        emit imageViewStateChanged(state);
+        state.none = false;
     }
+    else{
+        state.none = true;
+    }
+    emit imageViewStateChanged(state);
 }
diff --git a/src/src/UI/Manager/ImageViewStateCheckWorker.h b/src/src/UI/Manager/ImageViewStateCheckWorker.h
index 168dd7c..0d61171 100644
--- a/src/src/UI/Manager/ImageViewStateCheckWorker.h
+++ b/src/src/UI/Manager/ImageViewStateCheckWorker.h
@@ -11,6 +11,7 @@ struct ViewFunctionState{
     int canSync;
     int canMPR;
     bool canFusion;
+    bool none;
 };
 
 class ImageViewStateCheckWorker: public QObject {
diff --git a/src/src/UI/Widget/ToolBar/DefaultToolBar.cpp b/src/src/UI/Widget/ToolBar/DefaultToolBar.cpp
index 3a138ce..a85fb11 100644
--- a/src/src/UI/Widget/ToolBar/DefaultToolBar.cpp
+++ b/src/src/UI/Widget/ToolBar/DefaultToolBar.cpp
@@ -91,30 +91,63 @@ void DefaultToolBar::initToolBarButtons() {
     addButton(mBtnFile, "file");
     addButton(mBtnImport, "import");
     addButton(mBtnSave, "save");
+    mBtnSave->setEnabled(false);
 
     addSeparator();
 
     addButton(mBtnGrid, "grid");
+    mBtnGrid->setEnabled(false);
+
     addButton(mBtnSync, "sync");
+    mBtnSync->setEnabled(false);
+
     addButton(mBtnAnonymize, "anonymize");
+    mBtnAnonymize->setEnabled(false);
+
 
     addSeparator();
 
     QButtonGroup *modeGroup = new QButtonGroup(this);
     addGroupedButton(mBtnSlice, "slice", modeGroup);
+    mBtnSlice->setEnabled(false);
+
     addGroupedButton(mBtnWindow, "window", modeGroup);
+    mBtnWindow->setEnabled(false);
+
     addGroupedButton(mBtnPan, "pan", modeGroup);
+    mBtnPan->setEnabled(false);
+
     addGroupedButton(mBtnZoom, "zoom", modeGroup);
+    mBtnZoom->setEnabled(false);
+
     addGroupedButton(mBtnMeasure, "measure", modeGroup);
+    mBtnMeasure->setEnabled(false);
+
     addButton(mBtnClear, "clear");
+    mBtnClear->setEnabled(false);
+
     addSeparator();
 
 
     addButton(mBtnFlip, "flip");
+    mBtnFlip->setEnabled(false);
+
     addButton(mBtnCine, "cine");
-    addButton(mBtnFusion, "fusion");
+    mBtnCine->setEnabled(false);
+
+    //hide for this version
+    auto actionFusion = addButton(mBtnFusion, "fusion");
+    mBtnFusion->setEnabled(false);
+    actionFusion->setVisible(false);
+
     addButton(mBtnMPR, "MPR");
-    addButton(mBtnVR, "VR");
+    mBtnMPR->setEnabled(false);
+
+    //hide for this version
+    auto actionVR = addButton(mBtnVR, "VR");
+    mBtnVR->setEnabled(false);    
+    actionVR->setVisible(false);
+    
 
     QWidget *spacer = new QWidget(this);
     spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
@@ -465,6 +498,37 @@ void DefaultToolBar::resetNeedCheckFunctionButtons(){
 
 void DefaultToolBar::updateNeedCheckFunctionButtons(ViewFunctionState state)
 {
+    if (state.none)
+    {
+        mBtnSave->setEnabled(false);
+        mBtnGrid->setEnabled(false);
+        mBtnSync->setEnabled(false);
+        mBtnAnonymize->setEnabled(false);
+        mBtnSlice->setEnabled(false);
+        mBtnWindow->setEnabled(false);
+        mBtnPan->setEnabled(false);
+        mBtnZoom->setEnabled(false);
+        mBtnMeasure->setEnabled(false);
+        mBtnClear->setEnabled(false);
+        mBtnFlip->setEnabled(false);
+        mBtnCine->setEnabled(false);
+        mBtnFusion->setEnabled(false);
+        mBtnMPR->setEnabled(false);
+        mBtnVR->setEnabled(false);
+    }
+    else{
+        mBtnSave->setEnabled(true);
+        mBtnGrid->setEnabled(true);
+        mBtnSync->setEnabled(true);
+        mBtnAnonymize->setEnabled(true);
+        mBtnSlice->setEnabled(true);
+        mBtnWindow->setEnabled(true);
+        mBtnPan->setEnabled(true);
+        mBtnZoom->setEnabled(true);
+        mBtnMeasure->setEnabled(true);
+        mBtnClear->setEnabled(true);
+        mBtnFlip->setEnabled(true);
+        mBtnCine->setEnabled(true);
     mBtnMPR->setEnabled(state.canMPR!=-1);
     mBtnVR->setEnabled(state.canMPR!=-1);
     if (state.canMPR!=-1){
@@ -479,6 +543,7 @@ void DefaultToolBar::updateNeedCheckFunctionButtons(ViewFunctionState state)
         mMPRActions[state.canMPR]->setChecked(true);
     }
     mBtnFusion->setEnabled(state.canFusion);
+    }
 //    SyncHelper::setSyncState((SyncState)state.canSync);
 //    syncStateChanged();
 }