Question Details:

I would like to know how good this software is and I had a problem with it earlier. After installation I knew something was wrong because the virus scan took like 4 hours and it froze all the time.

Answer:

McAfee VirusScan Plus is a good antivirus that should offer you a protection against all viruses if it is updated daily. You can find here a review of the best antiviruses on the market.

Probably it took so long because your computer is slow and needs to be speed up like: defragment, etc. Check out this article on how to speed up your computer.