Hello, before classifying the extension as negative, I would have to contact you first to solve the problem, as there are numerous scenarios, with different versions and models of browsers and operating systems, and we are undergoing several changes stipulated by Google and Firefox, because we have more than 20 thousand users and 5% of them have some problem. I apologize for the inconvenience. If you have any questions, please contact us at contact@passbrow.com. Thanks.