[Bug 52430] New: Ubi Connect Launcher forever shows a black window

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=52430

Bug ID: 52430
           Summary: Ubi Connect Launcher forever shows a black window
           Product: Wine
           Version: 7.0
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 71690
  --> https://bugs.winehq.org/attachment.cgi?id=71690
Console Log

When you try to run the Ubi Connect Launcher, it never finishes the start
sequence. Instead of showing the "Ubisoft Connect" Text alongside a logo inside
a frame with small status updates in the lower left corner before displaying
news and installed games, it just shows an empty black window that never
vanishes and never gets content.

On the console variuous notes about shaders are repeated.
The AppDB says using corefonts via winetricks should make it boot, but it
doesn't.

The Card is an amd rtx480 on a Kubuntu 21.10.