Hello@@User17360104793631308000
Welcome to the LastPass Community.
I apologize for the issues you have been experiencing using your LastPass account. Please follow the steps outlined on the link below to change your email address:
https://support.lastpass.com/s/document-item?bundleId=lastpass&topicId=LastPass/change-email-address.html&_LANG=enus
Please let us know if there is something else we can do for you.
Greetings!
Heyner | Customer Care