Windows Necessary Firewall is what’s known as a fake anti-virus infection that secretly gains access to your computer and disperses a number of files and settings throughout your system. This then helps create the environment needed for the virus to take control of your computer. It does this by blocking standard computer processes which operate things such as loading up Firefox, and this is what disables your system. You will notice if your computer is disabled because you will not be able to complete even the most simplest things. What makes these viruses so lethal is how they look like legitimate programs, which can fool almost everyone into thinking they’re real and so many people have fallen for the scams and lost money to cyber criminals.

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