Help please: Which Linux distro is best for mom and dad?

As usual, my parents desktop running Windows XP had crasheddue to viruses, notwithstanding the anti-virus softwares. And I was left in lurch on what to do next. I started to wonder if I could install an easy to use version of Linux distro on the PC and ensure that I had a hassle free OS and a friendly PC for my parents.

The article is a quest for this search - with a plea for help from the users of Linux out there!