I wasn't able to find anyone complaining about this issue prior to March of this year. The latest version of S3D had already been out for several months at that point, so it is mostly likely due to some recent Windows update.
You might want to refer to this thread on this similar topic for ideas:
viewtopic.php?f=9&t=9735&p=40579
For anyone having this issue, here's what I would do:
1) follow the instructions in the link above to post the exact version of Windows you are using. That may help identify what exact Windows update caused the problem.
2) you could also try doing a fresh install by removing any saved settings or files using the instructions here:
https://www.simplify3d.com/support/faq/#faq-4628