If your software closes unexpectedly or your study files have become corrupt. You can restore your project to the previously saved version by navigating to Documents\EDX\projects, opening the project folder of the project you would like to restore, then selecting the backup folder. Below are the files you should see inside of the backup folder.
Copy these files and past them in the main project folder. Replacing the current files in the project folder.
If this article did not resolve the issue you are encountering, please create a new support ticket here: https://edxwireless.atlassian.net/servicedesk/customer/portal/2