I believe this issue only appear on Firefox and at least from my testing, Chrome, Opera still work. Have you test out Chrome again or Opera? It was reported before and there is a workaround, but from what I know it still have some issues. Refer to these thread: https://forums.stardock.com/538234. To be sure, I have forwarded your problem/question to Stardock Support Team for their assistance. Please keep an eye on this thread for any updates. We appreciate your feedback and patience.
Note: Your initial posted image no longer show up, please repost a new picture, use the add image icon to add image directly into Stardock forum. Refer to my screenshot below as guide.

Thank you.
Basj,
Stardock Community Assistant