Lost all configuration after full history cleanup

Hi, mi extension it's 4.0.2 and yesterday I did full history cleanup on Firefox.

After that I restarted Firefox and the extension was updated automatically to 4.02, but I lost all configuration.

Why?

 

Thanks for your anwsers

Welcome to the new improved X-Notifier :-\
I hope you had backed up your XN settings. If not, you are going to have to enter it all again.
Read the many other complaints and soloutions already posted here in the forum.
One of the posted solutions may be the right answer for you :)