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Why Does McAfee Antivirus Slow Down Your Computer?

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If you were looking for the reason why McAfee antivirus slows down your computer, you are in the right place. In this highly technical world, a computer is a very basic need of everyone. Whether you are a student, employee, or business owner, antivirus such as McAfee protects the computer from various unauthorized websites or malware. The antiviruses check for the attacks of viruses and scan our system to keep it free and clean from them. McAfee antivirus is a well-known name in the antiviruses.

However, it may slow down your PC. After being an ideal antivirus, McAfee has one downside slowing down the computer. People often ask the reason for it. So, does McAfee antivirus slow down your computer? We will discover it and find out the ways to resolve this.

Why Does Mcafee Antivirus Slow Down Your Computer?

McAfee software provides many features and functions that may impact the computer’s speed, especially for old computers. With McAfee, you can scan your computer and update it automatically. These functions can take too much RAM and bandwidth and gives you less power to work. The antivirus also slows down your computer if it’s not designed to handle it. The antivirus may not meet the system requirements if you have an old computer.

Here are the common functions that impact computer performance:

Automatic Scans


The McAfee antivirus scans your computer automatically. Usually, McAfee scans a week. It starts scanning your computer every week, even if you are busy. The scanning process uses a lot of RAM and processor power that may drastically slow down the process you are trying to do. To eliminate this issue, you must set the automatic scans when you are away. Also, you can disable it completely.

Automatic Updates

The McAfee antivirus has a database of virus definitions to keep it updated with the latest viruses and other possible threats. For this, it uses your internet connection to download them. Also, it’s an automatic feature that doesn’t use much processor power and takes up your bandwidth while downloading the definitions. You may feel some ups and downs when you install the updates. If you want to disable the updates, do it more frequently than scans, as the definition updates happen regularly.

Full System Scans

Usually, the antivirus programs run full system scans overnight or when you’re away. The full scanning takes up so much processor power, and it’s quite a hassle full work at the same time as McAfee has to check all your files and scan for any issue. You can also improve the speed of scans by defragmenting the hard drive. This is because when the files are fragment free, they are easier to scan.

Inadequate Hardware

The old computers struggle with McAfee and antivirus software usually. However, it’s not the case in some computers, but for those who barely meet the requirements. McAfee requires at least 512MB RAM for Windows XP and 2GB of RAM for Windows Vista, 7 and 500MB of free space, and a 1 GHz processor. The simple McAfee installed will slow down your computer even when it isn’t scanning or updating. So, if you have funds and know how to improve your system, upgrading RAM is one of the quickest methods to solve this problem.

How To Solve The Slow-Down Process On Computer While Using McAfee?


To solve the slow-down process on the computer, follow the given steps:

  • Check the settings; auto-check and continuous inspection are not needed.
  • Set them only when you are exploring uncommon or new websites.
  • You always schedule a scan as auto, and full scans are not required every time.
  • Now, click on the “Start Menu,” and all the sections under the option “MSConfig” should be ticked off. You will find the option under the setting option.

The McAfee antivirus is known for slowing down the internet and computer, which is why people first uninstall them. The anti-malware apps have been prepared in sophistication along with the malware they intend to fight; modern computers are faster than old computers. So, if you are facing McAfee slowing down your computer and your computer is having an internet issue, you need to solve this problem.

Here is the procedure to solve the McAfee slowing down internet issue:

  • First, open your McAfee software on the PC.
  • Move to the privacy section. There you will see a broom logo on the window, where you will find “remove cookies and tracker.” Then, click on the broom. You can see that we can now sweep clean the device so that McAfee slowing down computer and internet issues will be removed, and the device will gain its speed again.
  • After you click on the broom, a window of quick cleanup will launch. It will ask you to customize your cleaning. Furthermore, it provides you with a solution to set a schedule for cleaning your device. You need to set a time; then, it will automatically clean your computer even when you are away. Your device will then speed up.
  • Once the cleaning process is done, you will see your computer with many garbage files McAfee has just cleaned. It will speed up the device naturally.

This method should solve McAfee slowing down the issue. Sometimes your PC gets a lot of garbage with continuous use. Therefore, one-time cleaning is a must. However, if the issue isn’t fixed and the internet is still showing hassle, you should disable McAfee for some time. This is a very simple process and can work.

How to Disable McAfee?


To disable McAfee, follow the given steps:

  • Launch McAfee on your device.
  • Press the settings gear icon.
  • Now, select the option “Realtime scanning” and then click Turn off option.
  • Then, it will ask you how much time you want to disable McAfee scanning. Now, select your suitable time period.
  • After that, in the gear icon, move to the firewall.
  • Once again, click on Turn off and provide a suitable time period.

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Source: https://softwaredesigner4.wordpress.com/2022/12/17/why-does-mcafee-antivirus-slow-down-your-computer/


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