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Thank you David... Tech suggested you may help on this comparing.
If you don't mind may I have your opinion on MBAM Pro? it's more likely block malicious websites too. But I saw a guy mentioned on another topic it blocks all porn websites. It may false positive sometimes, don't know as my knowledge.
Cheers...
I like it too, but as I say they have slightly different feature sets, this being one of them. But how important do you consider it, p-o-r-n sites aren't necessarily going to be malicious, so blocking just on that criteria isn't great.
If that matters to you then I would suggest going a step further and use OpenDNS (Dashboard) as that can block a host (excuse the pun) of sites by category, one being malicious, phishing, another being adult content, etc. etc. there are a great many different categories you can use to filter sites.
So you have to have a look at the feature set and see what is important to you and can you already get it in some other form, like OpenDNS, etc. and stick with the free version as an on-demand backup.