Hello,
Sorry to hear you are having issues. I believe this was also requested before, however, I have forwarded your request to the Stardock Support Team for their review and recommendations. We really do appreciate your feedback, Thanks
Basj,
Stardock Community Assistant.
Dear Basj,
thank you very much for your response and for your proactivity. This issue is something which is quite bothering me. Every time I want to select application I have to be fast enough until I see the text 
In Windows 11 there is also setting for this. But when I change it, nothing happens, thumbnails are still showing:
https://www.thewindowsclub.com/tenable-or-disable-taskbar-thumbnail-preview-in-windows-10
You can try disabling related visual effects, though this is less reliable on Windows 11:
- Open System Properties → Advanced → Performance Settings.
- In Visual Effects, uncheck:
- Save taskbar thumbnail previews
- Show thumbnails instead of icons
- Apply and restart
Cheers, Stefan