Hello Bob
Sorry for the inconvenience, weare aware of this crash issue and we are working on it to make it more stable.In order to address your crash issue it required complex troubleshooting steps.Hence we request you to follow the below link and contact the MSN Technicalsupport team for better assistance.
https://support.microsoft.com/en-us/contactus/msn/explorer-tech-services/
Thanks
MSN Support Team