diff --git a/apps/documenteditor/main/app/controller/LeftMenu.js b/apps/documenteditor/main/app/controller/LeftMenu.js
index a0304e2e2..c5820df8a 100644
--- a/apps/documenteditor/main/app/controller/LeftMenu.js
+++ b/apps/documenteditor/main/app/controller/LeftMenu.js
@@ -836,6 +836,7 @@ define([
         onPluginOpen: function(panel, type, action) {
             if ( type == 'onboard' ) {
                 if ( action == 'open' ) {
+                    this.tryToShowLeftMenu();
                     this.leftMenu.close();
                     this.leftMenu.panelPlugins.show();
                     this.leftMenu.onBtnMenuClick({pressed:true, options: {action: 'plugins'}});
@@ -862,6 +863,7 @@ define([
             if (this.mode.canCoAuthoring && this.mode.canChat && !this.mode.isLightVersion) {
                 if (state) {
                     Common.UI.Menu.Manager.hideAll();
+                    this.tryToShowLeftMenu();
                     this.leftMenu.showMenu('chat');
                 } else {
                     this.leftMenu.btnChat.toggle(false, true);
@@ -873,6 +875,7 @@ define([
         onShowHideNavigation: function(state) {
             if (state) {
                 Common.UI.Menu.Manager.hideAll();
+                this.tryToShowLeftMenu();
                 this.leftMenu.showMenu('navigation');
             } else {
                 this.leftMenu.btnNavigation.toggle(false, true);
@@ -922,12 +925,19 @@ define([
                 !status && this.leftMenu.close();
                 status ? this.leftMenu.show() : this.leftMenu.hide();
                 Common.localStorage.setBool('de-hidden-leftmenu', !status);
+
+                !view && this.leftMenu.fireEvent('view:hide', [this, !status]);
             }
 
             Common.NotificationCenter.trigger('layout:changed', 'main');
             Common.NotificationCenter.trigger('edit:complete', this.leftMenu);
         },
 
+        tryToShowLeftMenu: function() {
+            if ((!this.mode.canBrandingExt || !this.mode.customization || this.mode.customization.leftMenu !== false) && Common.UI.LayoutManager.isElementVisible('leftMenu'))
+                this.onLeftMenuHide(null, true);
+        },
+
         textNoTextFound         : 'Text not found',
         newDocumentTitle        : 'Unnamed document',
         requestEditRightsText   : 'Requesting editing rights...',
diff --git a/apps/documenteditor/main/app/controller/ViewTab.js b/apps/documenteditor/main/app/controller/ViewTab.js
index 921db2e4a..2b9958fc2 100644
--- a/apps/documenteditor/main/app/controller/ViewTab.js
+++ b/apps/documenteditor/main/app/controller/ViewTab.js
@@ -98,6 +98,11 @@ define([
                     'view:hide': _.bind(function (statusbar, state) {
                         this.view.chStatusbar.setValue(!state, true);
                     }, this)
+                },
+                'LeftMenu': {
+                    'view:hide': _.bind(function (leftmenu, state) {
+                        this.view.chLeftMenu.setValue(!state, true);
+                    }, this)
                 }
             });
         },
diff --git a/apps/documenteditor/main/app/view/LeftMenu.js b/apps/documenteditor/main/app/view/LeftMenu.js
index 55f2eb040..f4e47595d 100644
--- a/apps/documenteditor/main/app/view/LeftMenu.js
+++ b/apps/documenteditor/main/app/view/LeftMenu.js
@@ -202,7 +202,8 @@ define([
                     this.$el.width(parseInt(Common.localStorage.getItem('de-mainmenu-width')) || MENU_SCALE_PART);
                 }
             } else if (!this._state.pluginIsRunning) {
-                this.isVisible() && Common.localStorage.setItem('de-mainmenu-width',this.$el.width());
+                var width = this.$el.width();
+                this.isVisible() && (width>SCALE_MIN) && Common.localStorage.setItem('de-mainmenu-width', width);
                 this.$el.width(SCALE_MIN);
             }
 
@@ -327,7 +328,7 @@ define([
                 }
                 if (this.panelNavigation) {
                     this.panelNavigation['hide']();
-                    this.btnNavigation.toggle(false, true);
+                    this.btnNavigation.toggle(false);
                 }
                 if (this.panelSearch) {
                     this.panelSearch['hide']();