From 40f709ff550065eed9bf083c84dd7a06d94310f1 Mon Sep 17 00:00:00 2001
From: GreemDev <greemdev@ryujinx.app>
Date: Tue, 28 Oct 2025 19:04:25 -0500
Subject: [PATCH] misc: Add a launch guard for program files (the emulator does
 not work properly when put here as it does not require admin)

---
 src/Ryujinx/Program.cs | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/src/Ryujinx/Program.cs b/src/Ryujinx/Program.cs
index f0e0c2ec3..1659683c1 100644
--- a/src/Ryujinx/Program.cs
+++ b/src/Ryujinx/Program.cs
@@ -48,11 +48,21 @@ namespace Ryujinx.Ava
         public static int Main(string[] args)
         {
             Version = ReleaseInformation.Version;
-
-            if (OperatingSystem.IsWindows() && !OperatingSystem.IsWindowsVersionAtLeast(10, 0, 19041))
+            
+            if (OperatingSystem.IsWindows())
             {
-                _ = MessageBoxA(nint.Zero, "You are running an outdated version of Windows.\n\nRyujinx supports Windows 10 version 20H1 and newer.\n", $"Ryujinx {Version}", MbIconwarning);
-                return 0;
+                if (!OperatingSystem.IsWindowsVersionAtLeast(10, 0, 19041))
+                {
+                    _ = MessageBoxA(nint.Zero, "You are running an outdated version of Windows.\n\nRyujinx supports Windows 10 version 20H1 and newer.\n", $"Ryujinx {Version}", MbIconwarning);
+                    return 0;
+                }
+
+                if (Environment.CurrentDirectory.StartsWithIgnoreCase("C:\\Program Files") || 
+                    Environment.CurrentDirectory.StartsWithIgnoreCase("C:\\Program Files (x86)"))
+                {
+                    _ = MessageBoxA(nint.Zero, "Ryujinx is not intended to be run from the Program Files folder. Please move it out and relaunch.", $"Ryujinx {Version}", MbIconwarning);
+                    return 0;
+                }
             }
 
             PreviewerDetached = true;