Avoid 57% of Vulnerabilities by removing your Administrator rights !!! It avoids 90% or more of critical vulnerabilities!! This means if you create a Standard User in Windows or a Mac, you will avoid 90% or more of the issues infecting computers these days... Study by BeyondTrust. Read my Top Ten Prevention items if you want to surf securely.
http://www.net-security.org/secworld.php?id=9068