Sorry to hear you are having issues.
Open the DeskScapes app click on settings ( see image )
click on drop down you'll see 3 settings
it may be set on media foundation if so try each of the other 2
EVR and VMR-9 one of those should work .
Test dream and report back with
the link to dream that has the issue.
also the full version of Windows your running ?
Stardock Community Assistant