diff --git a/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.html b/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.html
index 41c0a96..38f8f3d 100644
--- a/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.html
+++ b/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.html
@@ -45,7 +45,7 @@
         <button *ngIf="isLogedIn()" class="btn" (click)="refreshService.executeAll()" [ngStyle]="{ 'visibility': refreshService.isVisible ? 'visible' : 'hidden' }" matTooltip="strg + R" matTooltipPosition="below" [matTooltipClass]="tooltipClass" [matTooltipDisabled]="!refreshService.isVisible">
           <mat-icon class="turn-360">sync</mat-icon>
         </button>
-        <button *ngIf="isLogedIn()" class="btn" (click)="showInfo()">
+        <button *ngIf="isLogedIn()" [ngStyle]="{ 'visibility': buttonVisibilityService.anyVisible ? 'visible' : 'hidden' }" class="btn" (click)="showInfo()">
           <mat-icon class="scale-pulse">contact_support</mat-icon>
         </button>
         <button class="navbar-toggler" type="button" data-toggle="collapse" data-target=".navbar-collapse"
diff --git a/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.ts b/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.ts
index c1718c6..7da34fe 100644
--- a/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.ts
+++ b/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/components/nav-menu/nav-menu.component.ts
@@ -8,6 +8,7 @@ import { ColorModeBttnComponent } from '../common/color-mode-bttn/color-mode-btt
 import { MatIconModule } from '@angular/material/icon';
 import { RefreshService } from '../../services/button/refresh.service';
 import { CreationService } from '../../services/button/creation.service';
+import { ButtonVisibilityService } from '../../services/button/button-visibility.service';
 import { UpdateService, UpdateEvent } from '../../services/button/update.service';
 import { TransferService } from '../../services/button/transfer.service';
 import { MatBadgeModule } from '@angular/material/badge';
@@ -34,7 +35,7 @@ export class NavMenuComponent {
 
   isChecked = true;
 
-  constructor(private dialog: MatDialog, private authService: AuthenticationService, public refreshService: RefreshService, public creationService: CreationService, public updateService: UpdateService, public transferService: TransferService) {
+  constructor(private dialog: MatDialog, private authService: AuthenticationService, public refreshService: RefreshService, public creationService: CreationService, public updateService: UpdateService, public transferService: TransferService, public buttonVisibilityService: ButtonVisibilityService) {
     this.authService.isAuthenticated().then().catch()
     this.updateActCount = this.updateService.totalCount;
     this.updateService.addChangeListener(UpdateEvent.CountChange, () => {
diff --git a/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/services/button/button-visibility.service.ts b/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/services/button/button-visibility.service.ts
index ffecc3f..331ba30 100644
--- a/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/services/button/button-visibility.service.ts
+++ b/DigitalData.UserManager.API/ClientApp/user_manager_ui/src/app/services/button/button-visibility.service.ts
@@ -34,4 +34,11 @@ export class ButtonVisibilityService {
       }
     }
   }
+
+  get anyVisible(): boolean {
+    for (const key in this._buttons)
+      if (this._buttons[key].isVisible)
+        return true;
+    return false;
+  }
 }
\ No newline at end of file