When the crash happens xlCompare produces and saves on disk additional information (Dump File). It describes context of this event - fault address, module, call stack. This is standard windows dump file. It doesn't contain any private information from your PC. You can send it to us safely.
Dump File when you click on the Send button, xlCompare creates an e-mail with this file in attachment. It doesn't send the file. E-mail is composed in your default mail client application.
Message with Dump is sent only when send it in your E-mail Client.
We need this information to quickly identify place where the crash happens. In this case we can fix issue in a minutes!
In most cases we provide a quick fix on the next day after receiving your report.