From 6904d6a461e44335caadba2e7c8aa766704728d3 Mon Sep 17 00:00:00 2001
From: GreemDev <greemdev@ryujinx.app>
Date: Sun, 4 May 2025 03:26:54 -0500
Subject: [PATCH] fix: Prevent loading the Switch Verification homebrew
 specifically.

Its intended purpose is to be installed on a modded real Switch. It is wholly useless and pointless to use it in the emulator, and this will give those users a hint they might be doing something incorrectly.
---
 src/Ryujinx.HLE/Loaders/Processes/ProcessLoader.cs   | 7 ++++++-
 src/Ryujinx/Headless/HeadlessRyujinx.cs              | 2 +-
 src/Ryujinx/Systems/AppLibrary/ApplicationLibrary.cs | 4 ++++
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/Ryujinx.HLE/Loaders/Processes/ProcessLoader.cs b/src/Ryujinx.HLE/Loaders/Processes/ProcessLoader.cs
index 4c0866531..3d97a8e9f 100644
--- a/src/Ryujinx.HLE/Loaders/Processes/ProcessLoader.cs
+++ b/src/Ryujinx.HLE/Loaders/Processes/ProcessLoader.cs
@@ -9,6 +9,7 @@ using LibHac.Tools.FsSystem.NcaUtils;
 using Ryujinx.Common;
 using Ryujinx.Common.Logging;
 using Ryujinx.Graphics.Gpu;
+using Ryujinx.HLE.HOS.SystemState;
 using Ryujinx.HLE.Loaders.Executables;
 using Ryujinx.HLE.Loaders.Processes.Extensions;
 using System;
@@ -158,7 +159,7 @@ namespace Ryujinx.HLE.Loaders.Processes
 
             return false;
         }
-
+        
         public bool LoadNxo(string path)
         {
             BlitStruct<ApplicationControlProperty> nacpData = new(1);
@@ -195,6 +196,10 @@ namespace Ryujinx.HLE.Loaders.Processes
 
                     programName = nacpData.Value.Title[(int)_device.System.State.DesiredTitleLanguage].NameString.ToString();
 
+                    if ("Switch Verfication" ==
+                        nacpData.Value.Title[(int)TitleLanguage.AmericanEnglish].NameString.ToString())
+                        throw new InvalidOperationException();
+
                     if (string.IsNullOrWhiteSpace(programName))
                     {
                         programName = Array.Find(nacpData.Value.Title.ItemsRo.ToArray(), x => x.Name[0] != 0).NameString.ToString();
diff --git a/src/Ryujinx/Headless/HeadlessRyujinx.cs b/src/Ryujinx/Headless/HeadlessRyujinx.cs
index f346f1f63..cb35fc661 100644
--- a/src/Ryujinx/Headless/HeadlessRyujinx.cs
+++ b/src/Ryujinx/Headless/HeadlessRyujinx.cs
@@ -489,7 +489,7 @@ namespace Ryujinx.Headless
                                 return false;
                             }
                         }
-                        catch (ArgumentOutOfRangeException)
+                        catch
                         {
                             Logger.Error?.Print(LogClass.Application, "The specified file is not supported by Ryujinx.");
 
diff --git a/src/Ryujinx/Systems/AppLibrary/ApplicationLibrary.cs b/src/Ryujinx/Systems/AppLibrary/ApplicationLibrary.cs
index b7321d6c1..8d4b38a81 100644
--- a/src/Ryujinx/Systems/AppLibrary/ApplicationLibrary.cs
+++ b/src/Ryujinx/Systems/AppLibrary/ApplicationLibrary.cs
@@ -421,6 +421,10 @@ namespace Ryujinx.Ava.Systems.AppLibrary
                                 Read(assetOffset + (int)nacpOffset, (int)nacpSize).AsSpan().CopyTo(controlHolder.ByteSpan);
 
                                 GetApplicationInformation(ref controlHolder.Value, ref application);
+
+                                if ("Switch Verification" == controlHolder.Value
+                                        .Title[(int)TitleLanguage.AmericanEnglish].NameString.ToString())
+                                    return false;
                             }
                             else
                             {