how do I delete/uninstall the avast safe notice that comes up with every email I receive in gmail
I am using avast free antivirus
Whilst it isn’t entirely clear to me (easily done).
I suspect it might be - Check your Avast Settings > Protection > Core Shields > Mail Shield and disable the "Add a signature at the end of sent emails.
Maybe you once used Avast Premium Security or like and set up Email Guardian?
Check out these FAQs:
How can I remove Email Guardian from my email if I don’t have Avast Premium Security installed?
Remove an email account