UCS 4.4 with owncloud doesn't start


I’m total newbie with server products.

I tried to use the appliance pakage to creat my home cloud on Windows 11 Pro 22h2, but the wizard installer does not start to help me.

Steps to reproduce

  1. Install Virtual Box 7.0.4 Windows hosts
  2. Import VM Appliance ova UCS 4.4 with owncloud in virtual box
  3. Start appliance → only black screen appear

Expected behaviour

The wizard installer does not appear.

Actual behaviour

The VM start, but the screen remain black, there is no wizard.

Capture d’écran 2022-12-01 133637

Please, what do I need to do ?

Thank you for help !