the defeault windows theme works normally
and the version is : Windows 10 Home (19041.vb_release.191206-1406)
WindowBlinds 10.5 (029 - Windows 10 Edition) - 64 bit OS
First, that's an old insider build of Windows 10. The number of a fully updated release version of Windows 10 is 22H2 (OS Build 19045.3693), and no reason not to update. Insider builds always have compatibility issues with numerous apps and those builds have always been the way Microsoft test what breaks and cause issues. Maybe not your issue, but still. And to make it clear, insider builds is and has never been supported by Stardock, although we try to help within reason.
Second, you are not using the latest build of Windowblinds 10. The latest one is 10.89. As earlier mentioned, you should be able to find the installer for that version on your Stardock Account page if you have purchased it from Stardock logged in with the email used for the purchase.
Updating your OS & Windowblinds versions will more than likely solve the issues you have.