You have a sneaking suspicion that you computer has a virus. Why? It seems to be running slower than usual. Strange windows pop-up from nowhere. You finally realise that your antivirus software is disabled, but you can’t re-enable it, nor can you install another antivirus application. What’s happening?
First of all, you need to understand the nine types of computer viruses. It’ll also help to know how a virus infects your computer, and what you can do to stop it. Then when you see the following ten signs, you’ll know for sure that your computer has been infected. Then read this article to learn the steps you need to take to eradicate the virus.
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via AbbyRyanDesign for PCNinja