diff --git a/src/Ryujinx.HLE/HOS/Services/Account/Acc/AccountManager.cs b/src/Ryujinx.HLE/HOS/Services/Account/Acc/AccountManager.cs
index c724660ea..a815cf9d9 100644
--- a/src/Ryujinx.HLE/HOS/Services/Account/Acc/AccountManager.cs
+++ b/src/Ryujinx.HLE/HOS/Services/Account/Acc/AccountManager.cs
@@ -37,13 +37,16 @@ namespace Ryujinx.HLE.HOS.Services.Account.Acc
 
             _accountSaveDataManager = new AccountSaveDataManager(_profiles);
 
-            if (!_profiles.TryGetValue(DefaultUserId.ToString(), out _))
+            if (_profiles.IsEmpty)
             {
                 byte[] defaultUserImage = EmbeddedResources.Read("Ryujinx.HLE/HOS/Services/Account/Acc/DefaultUserImage.jpg");
 
-                AddUser("RyuPlayer", defaultUserImage, DefaultUserId);
+                // Use a random UserId as default to avoid issues in multiplayer per #3396.
+                UserId userId = new UserId(Guid.NewGuid().ToString().Replace("-", ""));
+                
+                AddUser("RyuPlayer", defaultUserImage, userId);
 
-                OpenUser(DefaultUserId);
+                OpenUser(userId);
             }
             else
             {
diff --git a/src/Ryujinx/UI/Views/User/UserEditorView.axaml.cs b/src/Ryujinx/UI/Views/User/UserEditorView.axaml.cs
index 588fa471e..3e1dfa811 100644
--- a/src/Ryujinx/UI/Views/User/UserEditorView.axaml.cs
+++ b/src/Ryujinx/UI/Views/User/UserEditorView.axaml.cs
@@ -1,13 +1,13 @@
 using Avalonia.Controls;
 using Avalonia.Data;
 using Avalonia.Interactivity;
+using FluentAvalonia.Core;
 using FluentAvalonia.UI.Controls;
 using FluentAvalonia.UI.Navigation;
 using Ryujinx.Ava.Common.Locale;
 using Ryujinx.Ava.UI.Controls;
 using Ryujinx.Ava.UI.Helpers;
 using Ryujinx.Ava.UI.Models;
-using Ryujinx.HLE.HOS.Services.Account.Acc;
 using System;
 using UserProfile = Ryujinx.Ava.UI.Models.UserProfile;
 
@@ -21,7 +21,9 @@ namespace Ryujinx.Ava.UI.Views.User
 
         public TempProfile TempProfile { get; set; }
         public static uint MaxProfileNameLength => 0x20;
-        public bool IsDeletable => _profile.UserId != AccountManager.DefaultUserId;
+
+        // Don't allow deletion if there is only one user
+        public bool IsDeletable => _parent.AccountManager.GetAllUsers().Count() != 1;
 
         public UserEditorView()
         {