Are you sure you installed the real Metamask extension? On the listing page for that one, it only has 14 active users and 409 five-star reviews, and the oldest listed version was posted June 13, 2025: https://addons.mozilla.org/firefox/addon/official-metamask/ This other one has over 381,000 users and its update history goes back to August 2021: https://addons.mozilla.org/firefox/addon/ether-metamask/ Step 1: secure your account Step 2: look at whether you need to change out that extension