Does Avast Make Your Computer Slow?

Avast is a popular antivirus software that many people use to protect their computers from harmful viruses and malware. Although Avast provides advanced features to enhance the security of your system, many users have raised concerns about the software’s negative impact on computer performance. Some users have reported that Avast slows down their computer, hinders gaming experiences, and causes other performance issues.

The claim of Avast’s impact on computer performance has been a topic of debate among users and IT experts. This article aims to provide a detailed analysis and understanding of whether Avast makes your computer slow or not. At its core, the article will examine the factors that determine Avast’s impact on computer performance, the extent of the software’s influence, and possible solutions to address any problems that may arise.

Does Avast Make Your Computer Slow?

Avast is an antivirus software that is designed to protect your computer from various types of malware, viruses, spyware, and other threats. It constantly scans your computer in real-time to detect suspicious activity and protect your system from potential security breaches. While Avast does an exceptional job of keeping your computer safe, it may sometimes slow down the computer.

Here are some of the reasons why Avast may cause your computer to slow down:

• High resource usage: Avast is a resource-intensive software, which means it uses a lot of your computer’s memory and CPU power. This might cause your computer to slow down or become unresponsive.

• Full system scan: Running a full system scan with Avast can be very resource-intensive and can cause your computer to slow down, especially if you have a lot of files stored on your computer.

• Conflicts with other software: Sometimes Avast may conflict with other software on your computer, leading to slow performance or other issues.

• Outdated hardware: If your computer is outdated and does not meet the minimum system requirements to run Avast, the software may cause your computer to slow down.

Overall, while Avast may slow down your computer from time to time, the benefits of having it installed far outweigh the potential performance issues. It is essential to keep your antivirus software up to date to ensure your computer is protected from the latest threats. In addition, there are a few steps you can take to minimize the impact of Avast on your computer’s performance, such as scheduling scans at times when your computer is not in use or upgrading your hardware.


1. Question: Does Avast antivirus software slow down my computer’s performance?
Answer: While Avast is a reliable and efficient antivirus program, it can sometimes cause your computer to slow down due to its background processes and scanning activities.

2. Question: How can I prevent Avast from slowing down my computer?
Answer: You can try disabling some of Avast’s features that may be causing your computer to slow down, such as the real-time scan, the web shield, or the browser cleanup tool. Alternatively, you can run Avast during off-peak hours when you’re not using your computer.

3. Question: Can older computers handle Avast antivirus software?
Answer: Avast can work on older computers, but its system requirements may be higher than what your computer can handle. You should check your computer’s specifications before installing Avast to ensure it’s compatible with your system.

4. Question: Is Avast the only antivirus program that slows down my computer?
Answer: No, other antivirus programs can also slow down your computer’s performance, especially if they’re running multiple scans at the same time or using too much system resources.

5. Question: Are there any alternatives to Avast antivirus that don’t slow down my computer?
Answer: Yes, there are other antivirus programs that are lightweight and efficient, such as Norton, Kaspersky, and Bitdefender. It’s important to research and compare different antivirus programs before choosing one that works best for your computer and your needs.


In conclusion, it can be said that Avast should not make your computer slow. However, it can happen if there are issues with your computer or settings within the Avast software. It is important to regularly check your computer’s performance and adjust your Avast settings accordingly. If you are unsure about how to do this, seek help from Avast support or a trusted IT professional. With proper attention and management, you can enjoy the benefits of a secure computer without sacrificing performance.

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