Avast block internet on iMac

Hi,

since 1 day, Avast still blocking my internet connection (Firefox, Safari) and I have to disable the web security to continue surfing etc.
I think that was happend after the last Firefox update but not sure.
How can I change any settings in the Avast MAC version 9.0(42360) ? → MAC Version.
I think that I have (somewhere) to delete Firefox or Safari from the AVAST black list??! but where can I found this option etc?

thanks in advance,
Chris

There is no such thing as “program blacklist” in avast. To see what’s going on,
you should start by examinating the system log file (e.g. using the Console application).
There will for sure be more info.