To whom this may reach, Hello I seem to start enscape through sketchup and this screen will pop up and a render never appears.
@vanessab , welcome to our Forum.
Whenever you experience any technical problems with Enscape like crashes, or Enscape generally not loading please right away submit a report to our support team:
https://learn.enscape3d.com/blog/knowledgebase/using-the-feedback-button/
This way we can troubleshoot the exact cause behind this behavior based on the transferred log files and machine information alongside.