Sorry to hear about the trouble. We need to test this on our end so could you please share a few more details like:
The version of XD & OS.
Is this happening with a specific file or multiple files?
Have you tested this on a different browser?
Will it be possible for you to share the file and the link with us for testing? If yes, please add the file to a shared location like Google Drive or DropBox and share the link through DM by clicking on my name.
Note: While sending DM, please add this discussion link in the subject.