Update src/TorchSharp/Torch.cs

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: cm4ker

src/TorchSharp/Torch.cs

@@ -127,7 +127,8 @@ private static void LoadNativeBackend(bool useCudaBackend, out StringBuilder? tr
 
                 if (useCudaBackend) {
                     var isWindows = RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
-                    if (isWindows && RuntimeInformation.OSArchitecture != Architecture.Arm64) {
+                    // CUDA is not supported on Windows ARM64. Only attempt to load CUDA components on Windows x64.
+                    if (isWindows && RuntimeInformation.OSArchitecture == Architecture.X64) {
                         trace.AppendLine($"    Try loading Windows cuda native components");
                         // Preloading these DLLs on windows seems to iron out problems where one native DLL
                         // requests a load of another through dynamic linking techniques.