Read this for your own good
To all Users of Firefox.
And check if u have a PlugIn called "NEXON GAME CONTROLLER" if you do then remove it
For Internet explorer:
So Disable it for your own good.
IE Tools>Programs>Manage addons *remove nexon*
So basically when you install a nexon game it installs a plugin in your browser to read over your browser and its cache and your browser usage, to make sure your not rolling around any well known hacking sites.
such as MPGH the most 1337 in the world!!!