Real-time protection:
EMA is a pretty good layer of defense.Are you using any custom settings?
On-demand scanners:
aaronpackers said:
I DID use Hitman Pro, but it expired... also, thanks for showing those other stuff....
You can still scan with Hitman Pro even after the trail period has ended.
Also you should know that ,Norton Power Eraser uses aggressive methods to detect threats, there is a risk that it can select some legitimate programs for removal. You should use this tool very carefully and scan with it only when you have an active infection on your system.
Virtualization :
Like endejan said , you should definitely use a virtualization software in order to increase your security.
Sandboxie is a good a mature program that you can try, as an alternative option you can also try :
BufferZone Pro (Free) -
link
BufferZone creates an isolated environment called the Virtual Zone. The Virtual Zone "buffers" your PC from all forms of known or unknown attacks that originate from the Internet and external devices. All of your private information is secured in a trusted and separated environment.
More details -
link
Additional browser plugins
Apart from the recommended add-ons in the previous posts you can also try :
Adblock Plus for Google Chrome (Free) -
link
Adblock Plus for Google Chrome is a content-filtering extension for Google Chrome. Adblock allows users to prevent page elements, such as advertisements, from being downloaded and displayed.
Ghostery (Free) -
link
Ghostery is your window into the invisible web – tags, web bugs, pixels and beacons that are included on web pages in order to get an idea of your online behavior.
Ghostery tracks the trackers and gives you a roll-call of the ad networks, behavioral data providers, web publishers, and other companies interested in your activity.
You can read
here a review on Ghostery
Extra protection :
Norton DNS (Free) -
link
It automatically blocks dangerous Web sites so you can surf the Web without worrying about getting infected or scammed.
Norton DNS - a safer and smarter way to surf the Web.
You can find
here some other security tips, that will help you better secure your system.
As a personal opinion, I would use this combo : BufferZone + Emsisoft Anti-Malware + WOT which will give your system a very high degree of protection.
BufferZone at work :