I am unable to get rid of CouponDropDown (Firefox)?
This adware just doesn't want to go away. I've followed all the instructions I could find, including disabling/removing certain extensions, running anti-malware programs (a couple different ones), deleting cookies, clearing cache and uninstalling certain programs, and it's still here.
What I have noticed however is these ads for some reason unknown don't appear when I go into private mode or open a private window. I think I'm onto something here, but I still don't know how to remove the adware.
Help please? Much appreciated.