We are sorry to hear you're experiencing crash issues with XD while exporting. Would you mind generating the logs using this link: https://helpx.adobe.com/in/creative-cloud/kb/cc-log-collector.html and upload them to a shared location such as Creative Cloud or Dropbox and share the url with us here? Please share the OS and XD version of your machine. Is it happening with every file or with a specific file?
No, I've had several conversations with someone from Adobe over FB messenger and have submitted logs on various occations but the problem still persists and nobody is offering me any help or a solution. Really dissapointing 😞