To try this method, simply follow these steps:ġ. Method 3: Repair Avast From Control PanelĪnother thing that may cause this problem is something going wrong with the antivirus. With this done, you will want to check to see if the high CPU usage is still there. Once you find it, click on the Stop button close to the process.Ĥ.

Look for Avast Screensaver scan and see if it is also running. This will bring up an Avast window that will show all the scans that are currently running.ģ. Right-click on any file on your computer and then click on scan file for virusĢ. When this background activity continues, the Avast high CPU usage may be experienced. It is possible that the Avast screensaver continues to scan even when it is not running. Method 2: Check If Avast Screensaver Scanning Go ahead and update bot the Virus definitions and the Program. On the left side of your computer, scroll to Update and click on it.ģ. To do this, simply follow the steps below:Ģ. Once a new version of the program comes, it is because an issue has been detected with the previous version, there are newer challenges that it cannot handle, or simply because there is a need to have a better version. The good news is that no matter what causes this issue, it can easily be fixed by following the steps below: Fix Avast Service High CPU UsageĪs stated, one of the main things that cause this issue is when your computer is still running on an old version of Avast. The things that may cause Avast to use too much CPU may include incorrect configuration of Avast and system settings, using an old version of the application, and screen saver scanning among many others. That said, when you start experiencing Avast service high CPU usage, it is not a sign that Avast is working well, but instead, it is a sign that something is not right which will lead to your computer to start slowing down. Compared to most other antiviruses, however, Avast still maintains a very good CPU usage which only gets high when there is an issue. It is involved in many operations including background scanning, computer cleaning, and virus removal among other things. Why Is Avast Using So Much CPU?Īntiviruses, in general, are tools that perform many tasks and so it is only right to expect that Avast will need more resources than other programs. if you are using Avast, it is possible that you may have encountered the Avast Service High CPU Usage issue.īefore anything else, antivirus is naturally known to demand more resources than most other programs but when you start seeing CPU usage spike higher than necessary, then there is something to worry about. Because of this, you do not want any single application or process to consume too many resources than all the others because it can deprive other programs of running in their best capacity, thereby slowing down your computer. Just as in economics, resources are also limited to computers.

Avast slowing down computer