Hi,
Please upgrade to the latest version using below:
https://www.manageengine.com/products/self-service-password/service-pack.html
Yes, you may loose the configuration as you un-installed it, instead of upgrading to the latest version. Please send an email to our support team at support@adselfserviceplus.com along with your contact details and the back-up files, so that we can help you in restoring the configuration on the latest build.
Regards
ADSelfService Plus Team
Toll Free: +1-888-720-9500
Direct: +1-408-916-9890
Email: support@adselfserviceplus.com
Self Service Password Management Solution