I'm having the same problem:

After running the app as admin and setting compatability for win 8 I had no more issues.

Also, don't know if this is related, getting your skin and/or html files from a synced folder (nas oder GoogleDrive...) seems to cause issues from time to time.

Greetings

Hi there, I am using Pano 6.1.2 on Win10. I want to change the thumbnail position when hovering over a hotspot depending on its position in the panorama. I use a lot of flat images, so when a hotspot for example is in the upper end of the image, the thumbnail is shown outside the borders of my brows...