Ich habe seit Jahren Kaspersky und nie Probleme

it can not be turned on

OK

Kaspersky Protection is a solid extension for keeping your browsing safer. It helps block dangerous sites, phishing attempts, and other online threats while you surf. It works quietly in the background and gives an extra layer of security without slowing down your browsing. A useful tool for anyone who wants to feel more protected online.

Excelente. Máxima seguridad.