diff --git a/src-tauri/src/api_server.rs b/src-tauri/src/api_server.rs
index d93b6b5..cf3dd7a 100644
--- a/src-tauri/src/api_server.rs
+++ b/src-tauri/src/api_server.rs
@@ -410,7 +410,10 @@ async fn update_profile(
 
   // Update profile fields
   if let Some(new_name) = request.name {
-    if profile_manager.rename_profile(&state.app_handle, &name, &new_name).is_err() {
+    if profile_manager
+      .rename_profile(&state.app_handle, &name, &new_name)
+      .is_err()
+    {
       return Err(StatusCode::BAD_REQUEST);
     }
   }
@@ -461,7 +464,10 @@ async fn update_profile(
   }
 
   if let Some(tags) = request.tags {
-    if profile_manager.update_profile_tags(&state.app_handle, &name, tags).is_err() {
+    if profile_manager
+      .update_profile_tags(&state.app_handle, &name, tags)
+      .is_err()
+    {
       return Err(StatusCode::BAD_REQUEST);
     }
 
@@ -635,7 +641,11 @@ async fn create_proxy(
   // Convert JSON value to ProxySettings
   match serde_json::from_value(request.proxy_settings.clone()) {
     Ok(proxy_settings) => {
-      match PROXY_MANAGER.create_stored_proxy(&state.app_handle, request.name.clone(), proxy_settings) {
+      match PROXY_MANAGER.create_stored_proxy(
+        &state.app_handle,
+        request.name.clone(),
+        proxy_settings,
+      ) {
         Ok(_) => {
           // Find the created proxy to return it
           let proxies = PROXY_MANAGER.get_stored_proxies();
diff --git a/src-tauri/src/browser_runner.rs b/src-tauri/src/browser_runner.rs
index 3545ffa..31995d5 100644
--- a/src-tauri/src/browser_runner.rs
+++ b/src-tauri/src/browser_runner.rs
@@ -909,7 +909,11 @@ impl BrowserRunner {
     })
   }
 
-  pub fn delete_profile(&self, app_handle: tauri::AppHandle, profile_id: &str) -> Result<(), Box<dyn std::error::Error>> {
+  pub fn delete_profile(
+    &self,
+    app_handle: tauri::AppHandle,
+    profile_id: &str,
+  ) -> Result<(), Box<dyn std::error::Error>> {
     let profile_manager = ProfileManager::instance();
     profile_manager.delete_profile(&app_handle, profile_id)?;
 
@@ -2009,7 +2013,10 @@ pub fn rename_profile(
 }
 
 #[tauri::command]
-pub async fn delete_profile(app_handle: tauri::AppHandle, profile_id: String) -> Result<(), String> {
+pub async fn delete_profile(
+  app_handle: tauri::AppHandle,
+  profile_id: String,
+) -> Result<(), String> {
   let browser_runner = BrowserRunner::instance();
   browser_runner
     .delete_profile(app_handle, &profile_id)
diff --git a/src-tauri/src/group_manager.rs b/src-tauri/src/group_manager.rs
index 9b4b9f5..877ee21 100644
--- a/src-tauri/src/group_manager.rs
+++ b/src-tauri/src/group_manager.rs
@@ -257,7 +257,10 @@ pub async fn get_groups_with_profile_counts() -> Result<Vec<GroupWithCount>, Str
 }
 
 #[tauri::command]
-pub async fn create_profile_group(app_handle: tauri::AppHandle, name: String) -> Result<ProfileGroup, String> {
+pub async fn create_profile_group(
+  app_handle: tauri::AppHandle,
+  name: String,
+) -> Result<ProfileGroup, String> {
   let group_manager = GROUP_MANAGER.lock().unwrap();
   group_manager
     .create_group(&app_handle, name)
@@ -265,7 +268,11 @@ pub async fn create_profile_group(app_handle: tauri::AppHandle, name: String) ->
 }
 
 #[tauri::command]
-pub async fn update_profile_group(app_handle: tauri::AppHandle, group_id: String, name: String) -> Result<ProfileGroup, String> {
+pub async fn update_profile_group(
+  app_handle: tauri::AppHandle,
+  group_id: String,
+  name: String,
+) -> Result<ProfileGroup, String> {
   let group_manager = GROUP_MANAGER.lock().unwrap();
   group_manager
     .update_group(&app_handle, group_id, name)
@@ -273,7 +280,10 @@ pub async fn update_profile_group(app_handle: tauri::AppHandle, group_id: String
 }
 
 #[tauri::command]
-pub async fn delete_profile_group(app_handle: tauri::AppHandle, group_id: String) -> Result<(), String> {
+pub async fn delete_profile_group(
+  app_handle: tauri::AppHandle,
+  group_id: String,
+) -> Result<(), String> {
   let group_manager = GROUP_MANAGER.lock().unwrap();
   group_manager
     .delete_group(&app_handle, group_id)
diff --git a/src-tauri/src/profile/manager.rs b/src-tauri/src/profile/manager.rs
index b73bf83..020a4f4 100644
--- a/src-tauri/src/profile/manager.rs
+++ b/src-tauri/src/profile/manager.rs
@@ -546,7 +546,9 @@ impl ProfileManager {
       })?;
 
     // Check if the browser is currently running using the comprehensive status check
-    let is_running = self.check_browser_status(app_handle.clone(), &profile).await?;
+    let is_running = self
+      .check_browser_status(app_handle.clone(), &profile)
+      .await?;
 
     if is_running {
       return Err(
diff --git a/src-tauri/src/proxy_manager.rs b/src-tauri/src/proxy_manager.rs
index 40857f2..0390cfb 100644
--- a/src-tauri/src/proxy_manager.rs
+++ b/src-tauri/src/proxy_manager.rs
@@ -5,8 +5,8 @@ use std::collections::HashMap;
 use std::fs;
 use std::path::PathBuf;
 use std::sync::Mutex;
-use tauri_plugin_shell::ShellExt;
 use tauri::Emitter;
+use tauri_plugin_shell::ShellExt;
 
 use crate::browser::ProxySettings;
 
@@ -243,7 +243,11 @@ impl ProxyManager {
   }
 
   // Delete a stored proxy
-  pub fn delete_stored_proxy(&self, app_handle: &tauri::AppHandle, proxy_id: &str) -> Result<(), String> {
+  pub fn delete_stored_proxy(
+    &self,
+    app_handle: &tauri::AppHandle,
+    proxy_id: &str,
+  ) -> Result<(), String> {
     {
       let mut stored_proxies = self.stored_proxies.lock().unwrap();
       if stored_proxies.remove(proxy_id).is_none() {
diff --git a/src/app/page.tsx b/src/app/page.tsx
index 91a25eb..52f32d3 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -62,11 +62,7 @@ export default function Home() {
     error: groupsError,
   } = useGroupEvents();
 
-  const {
-    storedProxies,
-    isLoading: proxiesLoading,
-    error: proxiesError,
-  } = useProxyEvents();
+  const { isLoading: proxiesLoading, error: proxiesError } = useProxyEvents();
 
   const [createProfileDialogOpen, setCreateProfileDialogOpen] = useState(false);
   const [settingsDialogOpen, setSettingsDialogOpen] = useState(false);
@@ -274,6 +270,20 @@ export default function Home() {
     }
   }, [profilesError]);
 
+  // Handle group errors from useGroupEvents hook
+  useEffect(() => {
+    if (groupsError) {
+      showErrorToast(groupsError);
+    }
+  }, [groupsError]);
+
+  // Handle proxy errors from useProxyEvents hook
+  useEffect(() => {
+    if (proxiesError) {
+      showErrorToast(proxiesError);
+    }
+  }, [proxiesError]);
+
   const checkAllPermissions = useCallback(async () => {
     try {
       // Wait for permissions to be initialized before checking
diff --git a/src/components/proxy-management-dialog.tsx b/src/components/proxy-management-dialog.tsx
index dc420aa..091d4d6 100644
--- a/src/components/proxy-management-dialog.tsx
+++ b/src/components/proxy-management-dialog.tsx
@@ -1,8 +1,8 @@
 "use client";
 
 import { invoke } from "@tauri-apps/api/core";
-import { emit, listen } from "@tauri-apps/api/event";
-import { useCallback, useEffect, useState } from "react";
+import { emit } from "@tauri-apps/api/event";
+import { useCallback, useState } from "react";
 import { FiEdit2, FiPlus, FiTrash2, FiWifi } from "react-icons/fi";
 import { toast } from "sonner";
 import { DeleteConfirmationDialog } from "@/components/delete-confirmation-dialog";