With Microsoft having that large a share of the PC market this would result in anti-trust lawsuits. I think this issue must be solved on a regulatory level, i.

With Microsoft having that large a share of the PC market this would result in anti-trust lawsuits. I think this issue must be solved on a regulatory level, i.e. Google (and Bing!) should be punished for providing malware links (and the actual providers of course).