Found this link to install the etension on Vivaldi Browser : https://chrome.google.com/webstore/detail/kaspersky-protection/ahkjpbeeocnddjkakilopmfdlnjdpcdm When the extension is installed, it’s grey, and there is an image showing that there are non connexions with Kaspersky : But the Kaspersky extension for password is working good and is green Does someone has an idea to make it work ? (Don’t want to change my Internet browser…)