30-day trial, like it, then Crash, reopen, data gone, invites me to start from scratch

Downloaded the 30 day trial Like the look. Ready to buy.

Working on cleaning up my gmail files, hit the sort tab, crashes the system. Tell it to restart.

On restart it comes up with “welcome to eM Client” email. All data is gone. All imported contacts are gone. ALl custom settings are gone.

It has wiped out everything I have done since the beginning, and asks me to start over. I had moved the storage location of files to D://My Documents/email so they would back up. However when I go there the files are very small, suggesting they have been wiped out.

Obviously this is like a hand grenade with a 100 metre total-kill range.

A rapid response would be appreciated.