Top 5 Ways to Fix Avast Service High CPU Usage – Computertopic

Avast Service High CPU Usage

Do you want to fix the Avast service high CPU usage issue on your PC? then you are at the right place, Avast is a free tool that anyone can download from the internet to get rid of viruses and Trojans from your computer.

There are so many benefits available that can be achieved by this free antivirus software.

  • Avast also comes with a paid option that upgrades it to more precise antivirus software. Coming with such facilities and a wide range of security options Avast has some disadvantages in the background that sometimes can create problems in hampering your PC’s performance.
  • One of the main problems faced by people who have downloaded Avast software very early. Is that they can feel- Avast has high usage of CPU in the background.

So, with this article, we are here to solve your problem and help you to fix Avast service high CPU usage issue.

*Directly uninstalling your program is not the right option which you might want to do after getting irritated with this problem.

This is a problem very common for low-performance computers but is not an issue to stop using the services of Avast antivirus.

If you are facing the problem of high usage of CPU by Avast in windows 10 then you can refer to some solutions below which can help you accordingly as per the problem.

How to Fix the Avast Service High CPU Usage?

Try Uninstalling the Avast Cleanup Tool.

Avast cleanup tool has an operation to perform real-time cleaning of resources allocated by applications. So, on the first way to fixing the Avast service high CPU usage, we will uninstall the Avast cleanup tool to remove unnecessary processing.

Consider going through the step-by-step procedure as mentioned below.

Step1: To install the Avast cleanup tool first launch the Avast antivirus software on your computer.

Step2: From the interface there- click the menu option and open the settings

Step3: Now direct yourself to the components available on the left sidebar.

Step4: Next, to uninstall the Avast cleanup, you will have to click the down-facing arrow button near the component tab and press the uninstall component option there.

Step5: Now you just have to confirm the step by clicking the ok button you will find at the bottom of the page.

Step6: Lastly just restart your computer.

After performing this operation to successfully uninstall the Avast cleanup tool you will no longer get the high CPU usage problem. And if still, you face it considered continuing with the next solution.

Also Read: How To Disable Avast Antivirus or Turn Off Avast Antivirus Temporarily (2021)

Update Avast Antivirus Software

Updating the Avast software to its latest version usually fixes the problems of bugs and issues. Among them, it can also fix the problem of high CPU usage.

Try the following steps below to update the software to its latest version.

Step 1: Open the Avast application on your computer.

Step 2: Click on the settings there and select the menu from the drop-down options.

avast high cpu usage

Step 3: from the menu, go to the general tab and select the update option (available on the right of the page).

avast high cpu usage

Step 4: What we have to do here is to update the database as well as the software. Click on the button check for update it and see the latest version available to download.

After completing this process you can check whether the issue of high CPU usage has gone or not. The latest version of Avast software should have resolved your problem here and if you still face it proceeds to the next way.

Repairing the Avast Program

Repairing Avast programs can also help you to fix the issue of high CPU usage.

This will repair the program with its default settings and create a reset of its components and elements as newly installed.

To repair the Avast program from the control panel.

Step 1: Tap on the windows key or directly open the start menu.

Step 2: From there, search for the control panel and open it.

avast high cpu usage

Step 3: Now if you have a different view of the control panel then consider changing it to the category view type.

Step 4: Select the uninstall program from the options there.

Step 5: Scroll down to the Avast program and right-click to locate the options. Now go with the ‘change’ after right-clicking it.

Step 6: After this you will see an uninstalling wizard set up, where you will have to select the repair option from the available 3- of updating, repairing and modifying.

avast high cpu usage

Step 7: After selecting repair, hit next.

Step 8: Wisely follow the wizard setup and restart the software. This will most probably eliminate the high CPU usage.

Stop Avast Screensaver Scanning

Step 1: On your desktop try going to any file and right-click on it. From that, you will get the option of scan selected items for viruses.

Step 2: Now scan that file with the Avast.

Step 3: On scanning the file, the program will display all the results of its scanning operation in some time. You can also see all the operations that earlier completed successfully.

Step 4: Now finally check for the Avast screensaver scan and hit the stop option to end it.

Hopefully, this will resolve your problem. And if not, you can try out the last option you can perform with the Avast software.

Change the Scan Frequency to The Maximum

After changing the scan frequency to the maximum value all the frequent background checks and monitoring will be eradicated by software. They will only happen once in a while.

Applying this process can create some security issues with the unprocessed data you are limiting to scan. But otherwise, I will make your CPU performance normal again.

Step 1: Open your CMD prompt by searching it directly in the start menu or typing in the search box.

Step 2: Now run the command prompt as an administrator by right-clicking and finding the second option there.

Step 3: After that now open the file explorer and copy-paste the following path below which will open the Avast folder from the directory.

C:\Program Files\AVAST Software\Avast

Step 4: In the Avast folder directory check if there is an avast5.ini file there. And if it is there, then open the file and insert the following command in CMD.

[GrimeFighter] : ScanFrequency=999

Step 5: Save the file and restart the PC again and check. The Avast service high CPU usage should have been resolved this time.


Hope you this article interesting, these are some fixes that you can try on your own to fix the Avast service high CPU usage on your computer and can get rid of this issues again and again.