diff --git a/.idea/.idea.DotNetAngular/.idea/shelf/Uncommitted_changes_before_Update_at_15_03_26__19_07__Changes_.xml b/.idea/.idea.DotNetAngular/.idea/shelf/Uncommitted_changes_before_Update_at_15_03_26__19_07__Changes_.xml
deleted file mode 100644
index dd13f80..0000000
--- a/.idea/.idea.DotNetAngular/.idea/shelf/Uncommitted_changes_before_Update_at_15_03_26__19_07__Changes_.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<changelist name="Uncommitted_changes_before_Update_at_15_03_26,_19_07_[Changes]" date="1773598081015" recycled="true" deleted="true">
-  <option name="PATH" value="$PROJECT_DIR$/.idea/.idea.DotNetAngular/.idea/shelf/Uncommitted_changes_before_Update_at_15_03_26,_19_07_[Changes]/shelved.patch" />
-  <option name="DESCRIPTION" value="Uncommitted changes before Update at 15.03.26, 19:07 [Changes]" />
-</changelist>
\ No newline at end of file
diff --git a/.idea/.idea.DotNetAngular/.idea/workspace.xml b/.idea/.idea.DotNetAngular/.idea/workspace.xml
index 3cbb89e..176ecf5 100644
--- a/.idea/.idea.DotNetAngular/.idea/workspace.xml
+++ b/.idea/.idea.DotNetAngular/.idea/workspace.xml
@@ -13,8 +13,11 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="1ac72a4a-52ad-4e70-9b15-c330b1ed3e7a" name="Changes" comment="">
-      <change beforePath="$PROJECT_DIR$/src/ClientApp/package-lock.json" beforeDir="false" afterPath="$PROJECT_DIR$/src/ClientApp/package-lock.json" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/ClientApp/package.json" beforeDir="false" afterPath="$PROJECT_DIR$/src/ClientApp/package.json" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/.idea.DotNetAngular/.idea/shelf/Uncommitted_changes_before_Update_at_15_03_26__19_07__Changes_.xml" beforeDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/.idea.DotNetAngular/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/.idea.DotNetAngular/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/ClientApp/src/app/infrastructure/services/auth-service.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/ClientApp/src/app/infrastructure/services/auth-service.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/ClientApp/src/app/presentation/components/header/header.component.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/ClientApp/src/app/presentation/components/header/header.component.ts" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/ClientApp/src/main.ts" beforeDir="false" afterPath="$PROJECT_DIR$/src/ClientApp/src/main.ts" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -37,6 +40,7 @@
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
   <component name="HighlightingSettingsPerFile">
+    <setting file="file://$PROJECT_DIR$/dotnet-tools.json" root0="FORCE_HIGHLIGHTING" />
     <setting file="file://$PROJECT_DIR$/src/ClientApp/package-lock.json" root0="SKIP_HIGHLIGHTING" />
     <setting file="file://$PROJECT_DIR$/src/ClientApp/package.json" root0="FORCE_HIGHLIGHTING" />
   </component>
@@ -45,6 +49,9 @@
     <urls />
   </component>
   <component name="MetaFilesCheckinStateConfiguration" checkMetaFiles="true" />
+  <component name="ProblemsViewState">
+    <option name="selectedTabId" value="Toolset" />
+  </component>
   <component name="ProjectColorInfo">{
   &quot;associatedIndex&quot;: 5
 }</component>
@@ -53,28 +60,28 @@
     <option name="hideEmptyMiddlePackages" value="true" />
     <option name="showLibraryContents" value="true" />
   </component>
-  <component name="PropertiesComponent"><![CDATA[{
-  "keyToString": {
-    ".NET Launch Settings Profile.API: Angular_dev.executor": "Run",
-    "RunOnceActivity.MCP Project settings loaded": "true",
-    "RunOnceActivity.ShowReadmeOnStart": "true",
-    "RunOnceActivity.TerminalTabsStorage.copyFrom.TerminalArrangementManager.252": "true",
-    "RunOnceActivity.git.unshallow": "true",
-    "RunOnceActivity.typescript.service.memoryLimit.init": "true",
-    "com.intellij.ml.llm.matterhorn.ej.ui.settings.DefaultModelSelectionForGA.v1": "true",
-    "git-widget-placeholder": "feature/angular",
-    "junie.onboarding.icon.badge.shown": "true",
-    "node.js.detected.package.eslint": "true",
-    "node.js.detected.package.tslint": "true",
-    "node.js.selected.package.eslint": "(autodetect)",
-    "node.js.selected.package.tslint": "(autodetect)",
-    "nodejs_package_manager_path": "npm",
-    "settings.editor.selected.configurable": "preferences.pluginManager",
-    "to.speed.mode.migration.done": "true",
-    "ts.external.directory.path": "/home/natlinux/RiderProjects/DotNetAngular/src/ClientApp/node_modules/typescript/lib",
-    "vue.rearranger.settings.migration": "true"
+  <component name="PropertiesComponent">{
+  &quot;keyToString&quot;: {
+    &quot;.NET Launch Settings Profile.API: Angular_dev.executor&quot;: &quot;Run&quot;,
+    &quot;RunOnceActivity.MCP Project settings loaded&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.ShowReadmeOnStart&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.TerminalTabsStorage.copyFrom.TerminalArrangementManager.252&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.git.unshallow&quot;: &quot;true&quot;,
+    &quot;RunOnceActivity.typescript.service.memoryLimit.init&quot;: &quot;true&quot;,
+    &quot;com.intellij.ml.llm.matterhorn.ej.ui.settings.DefaultModelSelectionForGA.v1&quot;: &quot;true&quot;,
+    &quot;git-widget-placeholder&quot;: &quot;feature/haeder&quot;,
+    &quot;junie.onboarding.icon.badge.shown&quot;: &quot;true&quot;,
+    &quot;node.js.detected.package.eslint&quot;: &quot;true&quot;,
+    &quot;node.js.detected.package.tslint&quot;: &quot;true&quot;,
+    &quot;node.js.selected.package.eslint&quot;: &quot;(autodetect)&quot;,
+    &quot;node.js.selected.package.tslint&quot;: &quot;(autodetect)&quot;,
+    &quot;nodejs_package_manager_path&quot;: &quot;npm&quot;,
+    &quot;settings.editor.selected.configurable&quot;: &quot;preferences.pluginManager&quot;,
+    &quot;to.speed.mode.migration.done&quot;: &quot;true&quot;,
+    &quot;ts.external.directory.path&quot;: &quot;/home/natlinux/RiderProjects/DotNetAngular/src/ClientApp/node_modules/typescript/lib&quot;,
+    &quot;vue.rearranger.settings.migration&quot;: &quot;true&quot;
   }
-}]]></component>
+}</component>
   <component name="RecapUselessUpdatesCounter">
     <option name="suspendCountdown" value="0" />
   </component>
@@ -214,6 +221,7 @@
       <workItem from="1772664174287" duration="646000" />
       <workItem from="1773053172796" duration="1432000" />
       <workItem from="1773597121547" duration="689000" />
+      <workItem from="1773599776473" duration="1496000" />
     </task>
     <task id="LOCAL-00001" summary="updating template">
       <option name="closed" value="true" />
@@ -263,7 +271,15 @@
       <option name="project" value="LOCAL" />
       <updated>1773597809588</updated>
     </task>
-    <option name="localTasksCounter" value="7" />
+    <task id="LOCAL-00007" summary="update Angular core to new version">
+      <option name="closed" value="true" />
+      <created>1773598259701</created>
+      <option name="number" value="00007" />
+      <option name="presentableId" value="LOCAL-00007" />
+      <option name="project" value="LOCAL" />
+      <updated>1773598259701</updated>
+    </task>
+    <option name="localTasksCounter" value="8" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -305,7 +321,8 @@
     <MESSAGE value="update to dotnet 10" />
     <MESSAGE value="update nuget packages to new versions" />
     <MESSAGE value="update NuGet Package to new Version" />
-    <option name="LAST_COMMIT_MESSAGE" value="update NuGet Package to new Version" />
+    <MESSAGE value="update Angular core to new version" />
+    <option name="LAST_COMMIT_MESSAGE" value="update Angular core to new version" />
   </component>
   <component name="XDebuggerManager">
     <breakpoint-manager>
diff --git a/src/ClientApp/src/app/infrastructure/services/auth-service.ts b/src/ClientApp/src/app/infrastructure/services/auth-service.ts
index 2d3ac86..273dd23 100644
--- a/src/ClientApp/src/app/infrastructure/services/auth-service.ts
+++ b/src/ClientApp/src/app/infrastructure/services/auth-service.ts
@@ -36,7 +36,7 @@ export class AuthService implements IAuthService {
   }
 
   signOut() {
-    if (!this.isBrowser) {
+    if (this.isBrowser) {
       localStorage.clear();
       this.router.navigate(['/login']).catch(error => {
         console.error('Navigation error:', error);
diff --git a/src/ClientApp/src/app/presentation/components/header/header.component.ts b/src/ClientApp/src/app/presentation/components/header/header.component.ts
index 79e07f3..ad1d68a 100644
--- a/src/ClientApp/src/app/presentation/components/header/header.component.ts
+++ b/src/ClientApp/src/app/presentation/components/header/header.component.ts
@@ -1,7 +1,6 @@
-import {Component, inject, OnInit, viewChild} from '@angular/core';
+import {Component, inject, OnInit} from '@angular/core';
 import {DarkModeService} from '../../../infrastructure/services/dark-mode.service';
-import {FormsModule, NgForm} from "@angular/forms";
-import {ToastService} from "../../../infrastructure/services/toast.service";
+import {FormsModule} from "@angular/forms";
 import {ActivatedRoute, NavigationEnd, Router, RouterLink} from "@angular/router";
 import {AuthService} from "../../../infrastructure/services/auth-service";
 import {UserStoreService} from "../../../infrastructure/services/user-store.service";
@@ -19,7 +18,6 @@ import {filter} from "rxjs/operators";
 })
 export class HeaderComponent implements OnInit {
 
-  toastService = inject(ToastService);
   darkModeService = inject(DarkModeService);
   userStore = inject(UserStoreService);
 
@@ -50,7 +48,8 @@ export class HeaderComponent implements OnInit {
         while (route.firstChild) route = route.firstChild;
 
         // Header-Logic
-        const headerRoutes = ['/login', '/register', '/legal' , '/start'];
+        // TODO hide dropdown for login register and legal
+        const headerRoutes = ['/login', '/register', '/legal', '/startpage'];
         this.showDropdown = headerRoutes.some(route => event.urlAfterRedirects.startsWith(route));
         this.showOverviewTools = event.urlAfterRedirects.startsWith('/rss-feed-overview');
       });
diff --git a/src/ClientApp/src/main.ts b/src/ClientApp/src/main.ts
index 35b00f3..ccdcd4f 100644
--- a/src/ClientApp/src/main.ts
+++ b/src/ClientApp/src/main.ts
@@ -1,6 +1,7 @@
 import { bootstrapApplication } from '@angular/platform-browser';
 import { appConfig } from './app/app.config';
 import { AppComponent } from './app/app.component';
+import 'bootstrap';
 
 bootstrapApplication(AppComponent, appConfig)
   .catch((err) => console.error(err));