Metamask from old browser keeps loading - I have only the password

Hi there,

Metamask from old browser keeps loading - I have only the password. Webpages are loading and cookies are coming in as I have l little snitchI can see there is acutual connection to the old browser, only Metamask won’t start and can’t fill in my password to retrieve my Private Key.

Also old funds of Brave Rewards are not retrievable.

Could someone assist?

Thanks so much in advance.