avast add on in firefox is gone

Avast Free Antivirus / Premium Security
1

Hi,i have a problem with my Avast Internet security,i did a clean start from my Firefox,bud now my Avast add on is gone,how i gett it back,

2
  • Which version of AIS…?
  • OS…? (32/64 Bit…? - which SP/Build…?)
  • Other security related software installed…?
  • Which Avast add on…?
3

its avast version 17.5.2302 build 17.5.3559.176

I have win10 pro 64 bit

the avast ad on is avast online security

4

See if this helps:
https://forum.avast.com/index.php?topic=205512.msg1409223#msg1409223