no self authentication device

hello avast,i uninstalled avast in all my devices .now i want to access my passwords but i could not authenticate now please help me

Just follow those instructions: https://www.avast.com/en-id/faq.php?article=AVKB92

What if you no longer have the initial email? Can it be sent or am I screwed??

Melissa, please start your own thread and provide details.