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Internet Security 2015 installed. Computer running slow. Using Win 8.1

I have recently installed McAfee Internet Security 2015 from scratch. I'm using Windows 8.1. My computer, particularly Facebook, is running very slow. Is there a solution?

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exbrit
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Re: Internet Security 2015 installed. Computer running slow. Using Win 8.1

I assume you have uninstalled any previous security software and/or made sure that the built-in Windows Defender (which contains antivirus) is turned off?

What are your computer specs, what kind of processor and how much RAM (memory)?