Hello,
Sorry to hear you are having issues. No, nothing recently reported similar to this one. Please try, uninstall Windowblinds 11, reboot immediately (important), download latest version available in your account product download page: https://store.stardock.com/myaccount/products. Install it, reboot immediately again. Retest it and report back.
Thank you,
Basj,
Stardock Community Assistant.