This has screwed up Yahoo mail. Won't let me access my mail.
I'm going to remove ad bloocker.

Great!

Best ad blocker extension on firefox

very very weak ad blocker extension, must of site detected and you must turn off
i install this in firefox Compared with AdGuard i have in chrome
AdGuard if be 9 of 10 this is 3 of 10

Just one word. AWESOME!