Installation Problems on Windows Server 2025

[MartinCheetham 8]

I have a problem.  I have been forced to move off of Ubuntu on my EMBY installation as my graphics card is no longer supported under Linux.  Tried Windows but the NIC card is not supported (it's an enterprise class so Windows 11 doesn't have the drivers) so I finally ended up with Windows Server 2025 which supports all of the hardware perfectly.   EMBY Server installs and runs perfectly  but I am struggling to get EMBY Theater running.  This might sound like an odd setup but the server is connected to a video switch which distributes video to multiple TVs throughout my home so it is ideal for me.  Windows Server doesn't support the GUI for Microsoft store but it does support installation using winget (earlier versions of Windows Server didn't).  So the command (elevated powershell) "Winget install 9NBLGGH4T70L --source msstore".  Works perfectly.  The problem is that when I start EMBY Theater I get the splash screen and the moving lines then it freezes to a blank white rectangle and a message is displayed that either i don't have permission to access or a file is missing.  Unfortunately the file name is truncated after the path (C:\Program Files\WindowsApps\) the name starts with EmbyMedia.EmbyTheater_2.317.2.0_neural-~-svmepx4c03f7m....... I've checked and there are several files in the folder with names which start like this.  Any Ideas?

Plan B was to use the portable version of EMBY Theater.  Sadly this is no longer supported.  I did sort of get it to run but key features such as being able to access the setup screens don't work.

So could someone help to get the MS store version working on Windows Server 2025 or could you reinstate the .exe which i can install on my platform?  Thanks.