I'm running RDM on two of my machines. Both have Windows 11 26H2 installed on it. Each machine is used for development; therefore I also have .NET SDK 10.0.401 installed. So the base seems to be the same.
The difference is one of that two machines is one of these Microsoft Dev Kits based on arm64 on it.
Trying to execute version 2026.3.5.0 on it forces the application to crash with the following event manager entry:
Application: RemoteDesktopManager.exe
CoreCLR Version: 10.0.1226.42308
.NET Version: 10.0.12
Description: The process was terminated due to an unhandled exception.
Exception Info: System.InvalidOperationException: Unable to locate 'Avalonia.Platform.IWindowingPlatform'.
at Avalonia.LocatorExtensions.GetRequiredService[T](IAvaloniaDependencyResolver resolver)
at Avalonia.Controls.Platform.PlatformManager.CreateWindow()
at Avalonia.Controls.Window..ctor()
at Devolutions.AvaloniaUI.Controls.ChromeWindow..ctor()
at Devolutions.RemoteDesktopManager.Forms.NativeAvaloniaDialogWindow`1..ctor(TViewModel viewModel, BaseAvaloniaView view)
at Devolutions.RemoteDesktopManager.Forms.NativeAvaloniaDialogWindow`1..ctor(TViewModel viewModel)
at Devolutions.RemoteDesktopManager.Forms.AvaloniaWindowHandler`1.CreateNativeWindow()
at Devolutions.RemoteDesktopManager.Forms.AvaloniaWindowHandler`1.ShowDialog()
at Devolutions.RemoteDesktopManager.AvaloniaViewPresenter.ShowDialog[TViewModel](TViewModel dialogViewModel)
at Devolutions.RemoteDesktopManager.AvaloniaUI.ViewLocator.ShowDialog[TViewModel](TViewModel viewModel)
at Devolutions.RemoteDesktopManager.Managers.UIManager.<>c__DisplayClass219_0.<ShowErrorMessage>b__0()
at Avalonia.Threading.Dispatcher.Invoke[TResult](Func`1 callback, DispatcherPriority priority, CancellationToken cancellationToken, TimeSpan timeout)
at Avalonia.Threading.Dispatcher.Invoke[TResult](Func`1 callback)
at Devolutions.RemoteDesktopManager.Managers.UIManager.ShowErrorMessage(ConnectionEngine engine, Exception exception, String message, String details, String title, String xml)
at Devolutions.RemoteDesktopManager.Managers.UIManager.ShowErrorMessage(ConnectionEngine engine, Exception exception, String message, String title)
at Devolutions.RemoteDesktopManager.Managers.UIManager.ShowErrorMessage(ConnectionEngine engine, Exception exception, String title)
at Devolutions.RemoteDesktopManager.Services.BusinessUIService.ShowErrorMessage(IConnectionEngine engine, Exception exception, String title)
at Devolutions.RemoteDesktopManager.Program.RunApplication(String[] args)
at Devolutions.RemoteDesktopManager.Program.Main(String[] args)
If you need any more information, logs, etc. feel free to reach out!