Why is McAfee slowing down my computer

McAfee is an excellent antivirus solution when it comes to protecting your computer from viruses, Trojans, worms, data, or identity theft programs. However, you may experience a slowdown issue when browsing the Internet, checking email, or navigating from one program to another. The slowdown can occur due to various reasons which are explained below in the McAfee antivirus support guide. The guide will also help you fix some of the common McAfee antivirus problems that slow down your PC.


If you are low on computer memory (RAM), you may experience a slowdown on your computer when McAfee antivirus installs updates, patches, etc. Often this problem occurs on an old computer that is low on RAM. To get rid of the slowdown problem, add a new RAM to your computer. In other words, upgrade your hardware.

If your Internet connection is slow, McAfee may take longer than ever to run a virus scan, download and install the latest updates or perform a real-time scan. So if you are doing something on your computer like surfing the internet or checking email while McAfee is running in the background, you may be facing a slowdown issue. Contact your ISP and request a high-speed broadband connection. Also, let McAfee run virus scans or updates when your computer is idle. Yes, if the computer is idle, start McAfee and have it update or run a virus scan.

If you have another antivirus program on your computer along with McAfee, it can cause your computer to slow down terribly. This is because two antivirus programs always conflict with each other, trying to recover files simultaneously for your computer. You should always uninstall the other antivirus program to make sure McAfee runs peacefully and properly on your computer.

If you have a firewall built into your McAfee antivirus program (a newer version of McAfee comes with a built in firewall), it can cause problems with your Internet connection. If you have another firewall program installed on your computer, disable the McAfee firewall. It will help to improve the speed of your Internet connection, making your browsing faster.

Sometimes a misspelled McAfee update can also be responsible for slowing down your computer’s speed. If it has been scaled down to verify that it is not a program or your computer that is causing the slowdown, uninstall the McAfee update. If you don’t know how to uninstall a McAfee update, please restore your computer to an earlier date. You can undo any recent changes, such as a software installation that you made on your computer. You always have the option to reinstall the software.

Additional tips:

Your web browser also influences your browsing speed. For example, Mozilla Firefox and Chrome are faster web browsers than Internet Explorer. If the problem persists, contact McAfee antivirus support.

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