Virus and "Opera"
Good day,
A message popped up and said that my Mac has been infected with a virus and there is 32% or something damage done..... Was this message really from Apple? Also, there is now an "Opera" browser icon that appears when I switch on my Mac, as well as a funny "terminal" window, and I can't delete it.
What is happening? Can someone help?
MacBook Pro 15″, OS X 10.11