And if you're happy with it, why upgrade, right? Will the adware removal software you've written about work on 10.6?ġ0.6 (Snow Leopard) is a fantastic version of the Mac operating system that many users are still quite happy with. Fortunately there's still a solution for Macs running OS X Snow Leopard. Some folks aren't comfortable upgrading their Macs' operating systems, and continue to use versions that aren't well-supported by new software. However when I open Safari and go to a different page than the home page I start getting pop-ups and Avast show that I have a js:ScriptPE-InfTrj infection. I have ran Avast and Sophos Antivirus cleaners and the Avast found and removed some items. Hello Experts, I have a MAC that has viruses and adware.