diff --git a/app/src/main/java/awais/instagrabber/activities/MainActivity.java b/app/src/main/java/awais/instagrabber/activities/MainActivity.java
index 268b9ca5..8882bed9 100644
--- a/app/src/main/java/awais/instagrabber/activities/MainActivity.java
+++ b/app/src/main/java/awais/instagrabber/activities/MainActivity.java
@@ -57,6 +57,7 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Deque;
 import java.util.List;
+import java.util.UUID;
 import java.util.stream.Collectors;
 
 import awais.instagrabber.BuildConfig;
@@ -85,8 +86,8 @@ import awais.instagrabber.utils.TextUtils;
 import awais.instagrabber.utils.Utils;
 import awais.instagrabber.utils.emoji.EmojiParser;
 import awais.instagrabber.viewmodels.AppStateViewModel;
-import awais.instagrabber.webservices.RetrofitFactory;
 import awais.instagrabber.viewmodels.DirectInboxViewModel;
+import awais.instagrabber.webservices.RetrofitFactory;
 import awais.instagrabber.webservices.SearchService;
 import retrofit2.Call;
 import retrofit2.Callback;
@@ -137,9 +138,7 @@ public class MainActivity extends BaseLanguageActivity implements FragmentManage
         RetrofitFactory.setup(this);
         super.onCreate(savedInstanceState);
         binding = ActivityMainBinding.inflate(getLayoutInflater());
-        final String cookie = settingsHelper.getString(Constants.COOKIE);
-        CookieUtils.setupCookies(cookie);
-        isLoggedIn = !TextUtils.isEmpty(cookie) && CookieUtils.getUserIdFromCookie(cookie) != 0;
+        setupCookie();
         if (settingsHelper.getBoolean(Constants.FLAG_SECURE))
             getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);
         setContentView(binding.getRoot());
@@ -165,7 +164,7 @@ public class MainActivity extends BaseLanguageActivity implements FragmentManage
         new ViewModelProvider(this).get(AppStateViewModel.class); // Just initiate the App state here
         final Intent intent = getIntent();
         handleIntent(intent);
-        if (!TextUtils.isEmpty(cookie) && settingsHelper.getBoolean(Constants.CHECK_ACTIVITY)) {
+        if (isLoggedIn && settingsHelper.getBoolean(Constants.CHECK_ACTIVITY)) {
             bindActivityCheckerService();
         }
         getSupportFragmentManager().addOnBackStackChangedListener(this);
@@ -180,6 +179,26 @@ public class MainActivity extends BaseLanguageActivity implements FragmentManage
         initDmUnreadCount();
     }
 
+    private void setupCookie() {
+        final String cookie = settingsHelper.getString(Constants.COOKIE);
+        long userId = 0;
+        String csrfToken = null;
+        if (!TextUtils.isEmpty(cookie)) {
+            userId = CookieUtils.getUserIdFromCookie(cookie);
+            csrfToken = CookieUtils.getCsrfTokenFromCookie(cookie);
+        }
+        if (TextUtils.isEmpty(cookie) || userId == 0 || TextUtils.isEmpty(csrfToken)) {
+            isLoggedIn = false;
+            return;
+        }
+        final String deviceUuid = settingsHelper.getString(Constants.DEVICE_UUID);
+        if (TextUtils.isEmpty(deviceUuid)) {
+            settingsHelper.putString(Constants.DEVICE_UUID, UUID.randomUUID().toString());
+        }
+        CookieUtils.setupCookies(cookie);
+        isLoggedIn = true;
+    }
+
     private void initDmService() {
         if (!isLoggedIn) return;
         final boolean enabled = settingsHelper.getBoolean(PreferenceKeys.PREF_ENABLE_DM_AUTO_REFRESH);
@@ -916,9 +935,9 @@ public class MainActivity extends BaseLanguageActivity implements FragmentManage
         return currentTabs;
     }
 
-//    public boolean isNavRootInCurrentTabs(@IdRes final int navRootId) {
-//        return showBottomViewDestinations.stream().anyMatch(id -> id == navRootId);
-//    }
+    //    public boolean isNavRootInCurrentTabs(@IdRes final int navRootId) {
+    //        return showBottomViewDestinations.stream().anyMatch(id -> id == navRootId);
+    //    }
 
     private void setNavBarDMUnreadCountBadge(final int unseenCount) {
         final BadgeDrawable badge = binding.bottomNavView.getOrCreateBadge(R.id.direct_messages_nav_graph);
diff --git a/app/src/main/java/awais/instagrabber/managers/InboxManager.java b/app/src/main/java/awais/instagrabber/managers/InboxManager.java
index 98e12b46..efca55f5 100644
--- a/app/src/main/java/awais/instagrabber/managers/InboxManager.java
+++ b/app/src/main/java/awais/instagrabber/managers/InboxManager.java
@@ -82,8 +82,12 @@ public final class InboxManager {
         final long userId = CookieUtils.getUserIdFromCookie(cookie);
         final String deviceUuid = settingsHelper.getString(Constants.DEVICE_UUID);
         final String csrfToken = CookieUtils.getCsrfTokenFromCookie(cookie);
-        if (TextUtils.isEmpty(csrfToken) || userId <= 0 || TextUtils.isEmpty(deviceUuid)) {
-            throw new IllegalArgumentException("User is not logged in!");
+        if (TextUtils.isEmpty(csrfToken)) {
+            throw new IllegalArgumentException("csrfToken is empty!");
+        } else if (userId == 0) {
+            throw new IllegalArgumentException("user id invalid");
+        } else if (TextUtils.isEmpty(deviceUuid)) {
+            throw new IllegalArgumentException("device uuid is empty!");
         }
         service = DirectMessagesService.getInstance(csrfToken, userId, deviceUuid);
 
diff --git a/app/src/main/java/awais/instagrabber/managers/ThreadManager.java b/app/src/main/java/awais/instagrabber/managers/ThreadManager.java
index 8efff504..c76728e3 100644
--- a/app/src/main/java/awais/instagrabber/managers/ThreadManager.java
+++ b/app/src/main/java/awais/instagrabber/managers/ThreadManager.java
@@ -156,9 +156,9 @@ public final class ThreadManager {
         viewerId = CookieUtils.getUserIdFromCookie(cookie);
         final String deviceUuid = settingsHelper.getString(Constants.DEVICE_UUID);
         final String csrfToken = CookieUtils.getCsrfTokenFromCookie(cookie);
-        if (TextUtils.isEmpty(csrfToken) || viewerId <= 0 || TextUtils.isEmpty(deviceUuid)) {
-            throw new IllegalArgumentException("User is not logged in!");
-        }
+        // if (TextUtils.isEmpty(csrfToken) || viewerId <= 0 || TextUtils.isEmpty(deviceUuid)) {
+        //     throw new IllegalArgumentException("User is not logged in!");
+        // }
         service = DirectMessagesService.getInstance(csrfToken, viewerId, deviceUuid);
         mediaService = MediaService.getInstance(deviceUuid, csrfToken, viewerId);
         friendshipService = FriendshipService.getInstance(deviceUuid, csrfToken, viewerId);