I realize I'm resurrecting a slightly old thread here, but I can confirm that this popup appears for me as well. It happens on my personal computer running Windows 10 and Chrome (both of which were cleanly installed yesterday) as well as on my wife's laptop that uses Windows 8.1 and Firefox.@vasily_bagirov I did find another issue when visiting the PayPal website, Adguard's Browsing Security Module gives off a warning about iad-login.dotomi.com - anyone else confirm?