diff --git a/src/public/images/tray/darwin/offline.png b/src/public/images/tray/darwin/offline.png
new file mode 100644
index 0000000000..fc5d17596f
Binary files /dev/null and b/src/public/images/tray/darwin/offline.png differ
diff --git a/src/public/images/tray/darwin/offline@2x.png b/src/public/images/tray/darwin/offline@2x.png
new file mode 100644
index 0000000000..8d75341c2c
Binary files /dev/null and b/src/public/images/tray/darwin/offline@2x.png differ
diff --git a/src/public/images/tray/linux/offline.png b/src/public/images/tray/linux/offline.png
new file mode 100644
index 0000000000..c12af62be2
Binary files /dev/null and b/src/public/images/tray/linux/offline.png differ
diff --git a/src/public/images/tray/linux/offline@2x.png b/src/public/images/tray/linux/offline@2x.png
new file mode 100644
index 0000000000..d377410bed
Binary files /dev/null and b/src/public/images/tray/linux/offline@2x.png differ
diff --git a/src/public/images/tray/win32/offline.ico b/src/public/images/tray/win32/offline.ico
new file mode 100644
index 0000000000..c94256880c
Binary files /dev/null and b/src/public/images/tray/win32/offline.ico differ
diff --git a/src/ui/main/icons.ts b/src/ui/main/icons.ts
index 19b809d78c..d213141e60 100644
--- a/src/ui/main/icons.ts
+++ b/src/ui/main/icons.ts
@@ -16,13 +16,28 @@ export const getAppIconPath = ({
   return `${app.getAppPath()}/app/images/icon.ico`;
 };
 
-const getMacOSTrayIconPath = (badge: Server['badge']): string =>
-  path.join(
+const getMacOSTrayIconPath = (
+  badge: Server['badge'],
+  isLoggedIn: boolean
+): string => {
+  if (!isLoggedIn) {
+    return path.join(app.getAppPath(), 'app/images/tray/darwin/offline.png');
+  }
+
+  return path.join(
     app.getAppPath(),
     `app/images/tray/darwin/${badge ? 'notification' : 'default'}Template.png`
   );
+};
+
+const getWindowsTrayIconPath = (
+  badge: Server['badge'],
+  isLoggedIn: boolean
+): string => {
+  if (!isLoggedIn) {
+    return path.join(app.getAppPath(), 'app/images/tray/win32/offline.ico');
+  }
 
-const getWindowsTrayIconPath = (badge: Server['badge']): string => {
   const name =
     (!badge && 'default') ||
     (badge === '•' && 'notification-dot') ||
@@ -31,7 +46,14 @@ const getWindowsTrayIconPath = (badge: Server['badge']): string => {
   return path.join(app.getAppPath(), `app/images/tray/win32/${name}.ico`);
 };
 
-const getLinuxTrayIconPath = (badge: Server['badge']): string => {
+const getLinuxTrayIconPath = (
+  badge: Server['badge'],
+  isLoggedIn: boolean
+): string => {
+  if (!isLoggedIn) {
+    return path.join(app.getAppPath(), 'app/images/tray/linux/offline.png');
+  }
+
   const name =
     (!badge && 'default') ||
     (badge === '•' && 'notification-dot') ||
@@ -43,19 +65,21 @@ const getLinuxTrayIconPath = (badge: Server['badge']): string => {
 export const getTrayIconPath = ({
   badge,
   platform,
+  isLoggedIn = false,
 }: {
   badge?: Server['badge'];
   platform: NodeJS.Platform;
+  isLoggedIn?: boolean;
 }): string => {
   switch (platform ?? process.platform) {
     case 'darwin':
-      return getMacOSTrayIconPath(badge);
+      return getMacOSTrayIconPath(badge, isLoggedIn);
 
     case 'win32':
-      return getWindowsTrayIconPath(badge);
+      return getWindowsTrayIconPath(badge, isLoggedIn);
 
     case 'linux':
-      return getLinuxTrayIconPath(badge);
+      return getLinuxTrayIconPath(badge, isLoggedIn);
 
     default:
       throw Error(`unsupported platform (${platform})`);
diff --git a/src/ui/main/rootWindow.ts b/src/ui/main/rootWindow.ts
index bdc40ca3f3..e2689d6599 100644
--- a/src/ui/main/rootWindow.ts
+++ b/src/ui/main/rootWindow.ts
@@ -438,6 +438,7 @@ export const setupRootWindow = (): void => {
                 getTrayIconPath({
                   platform: process.platform,
                   badge: globalBadge,
+                  isLoggedIn: true,
                 })
               )
             );
diff --git a/src/ui/main/trayIcon.ts b/src/ui/main/trayIcon.ts
index 2baca3d90e..e840cc8b61 100644
--- a/src/ui/main/trayIcon.ts
+++ b/src/ui/main/trayIcon.ts
@@ -1,4 +1,4 @@
-import { app, Menu, nativeImage, Tray } from 'electron';
+import { app, Menu, nativeImage, Tray, Notification } from 'electron';
 import i18next from 'i18next';
 
 import type { Server } from '../../servers/common';
@@ -63,9 +63,12 @@ const createTrayIcon = (): Tray => {
 };
 
 const updateTrayIconImage = (trayIcon: Tray, badge: Server['badge']): void => {
+  const servers = select(({ servers }) => servers || []);
+  const isLoggedIn = servers.every((server) => server.userLoggedIn);
   const image = getTrayIconPath({
     platform: process.platform,
     badge,
+    isLoggedIn,
   });
   trayIcon.setImage(nativeImage.createFromPath(image));
 };
@@ -128,6 +131,35 @@ const manageTrayIcon = async (): Promise<() => void> => {
     updateTrayIconToolTip(trayIcon, globalBadge);
   });
 
+  const unwatchUserLoggedIn = watch(
+    (state: RootState) => {
+      const servers = state.servers || [];
+      return (
+        servers.length === 0 || servers.some((server) => !server.userLoggedIn)
+      );
+    },
+    async (isLoggedOut) => {
+      if (isLoggedOut) {
+        try {
+          const rootWindow = await getRootWindow();
+          if (rootWindow.isMinimized()) rootWindow.restore();
+          rootWindow.show();
+          rootWindow.focus();
+        } catch {
+          // Root window may not be ready/destroyed; continue with notification/icon update.
+        }
+        new Notification({
+          title: t('tray.balloon.stillRunning.title', { appName: app.name }),
+          body: t('error.authNeeded', { auth: '' }).replace(/<\/?strong>/g, ''),
+          timeoutType: 'never',
+          urgency: 'critical',
+        }).show();
+      }
+      const globalBadge = select(selectGlobalBadge);
+      updateTrayIconImage(trayIcon, globalBadge);
+    }
+  );
+
   let firstTrayIconBalloonShown = false;
 
   const unwatchIsRootWindowVisible = watch(
@@ -175,6 +207,7 @@ const manageTrayIcon = async (): Promise<() => void> => {
 
   return () => {
     unwatchGlobalBadge();
+    unwatchUserLoggedIn();
     unwatchIsRootWindowVisible();
     trayIcon.destroy();
   };