Get world-class protection against malware, phishing attacks, Wi-Fi intrusions, and other threats with our advanced cybersecurity tool that’s both comprehensive and light on your system’s resources. professional (Computer Engineer) working in a private company, a blogger, a father and a husband. Avast Free Antivirus keeps your PC safe in real time without slowing it down. Open your Task Manager, if the disk usage is more than 50% for a period of time then it is definitely doing something. Since most answers here are from users of AV / Anti-Spyware programs that slow down computers, here’s the opinion of someone who has used ESET Smart Security (now Internet Security) for the last 10 years. If you felt that your computer is slow than normal and if the red LED light in-front panel of your desktop computer is blinking very fast or stays red then something is going on in the background. There are so many factors that causes a computer to become slow including the one that I discussed here. So, the next time your computer shows signs of sluggishness open your computer's Task Manager to check if Avast Secure Browser is being updated. If you did not uninstall it the first time you saw it, it will be updated automatically in the background once an update is available. I want you guys to know that if you are using an Avast Antivirus it will eventually install Avast Secure Browser in some its future automatic updates.Īvast Secure Browser will be automatically installed without you being notified and you'll be surprised of the sudden appearance of its icon on your desktop. I can use my computer normally at all times but not when an update is being processed in the background. It also has a 1TB Seagate Barracuda (SATA). And its read/write speed is at 3.0 MB/s which also high enough to make a computer sluggish.įor the sake of this article below are the technical specification of my desktop computer. The update takes 50% disk usage which is high enough for the computer to become slow. When I looked at the Task Manager, I saw that Avast Secure Browser is being updated in the background (see photo below). Lately, I was casually using my desktop computer when I noticed it's sluggishness.

Avast antivirus slowing down computer