Fix: Avast Service High CPU Usage Issue 2021

Avast is using too much CPU memory of your PC even in 2021 and you want a clear solution to Fix Avast . service high CPU usage? .If you are seeing avast using 100 disks then you may want to look into avast’s memory shield behavior. The reason can be different like why you are dealing with high disk usage of avast service or high CPU usage of avast service. In this post, we will fix the high CPU usage of the avast service. These easy-to-use troubleshooting steps will help you resolve Avast antivirus service high CPU usage on Windows 10/7. If Avast is using CPU even when in idle position then follow these steps.

Why is Avast using so many CPU disks?


Without a doubt, Avast antivirus is a resource-intensive tool. The Avast service performs various operations such as background scanning, full virus scanning, virus removal, and cleaning. No doubt these procedures are useful but sometimes they become so annoying that you will try to disable avast. The high CPU usage issue of the vast service is one of the reasons that force users to uninstall Avast. When you run the task manager you will see (avastsvc.exe) on a 32 bit system you will see the avast (32 bit) service. Another reason why Avast is using so much CPU is due to incorrectly configured system settings or occasional entries in the Windows registry. You can also check the process consumes a large amount of RAM as well as CPU.

How to fix Avast . service high CPU usage or disk usage

Solution 1 – Remove Avast . Cleanup Tool

The Avast cleanup engine is the most important component. It mainly acts as a real-time scanner and helps users to free up space covered by background apps. If you are seeing high CPU or memory usage issue of avast service, it could be this cleanup component.Tip- If Avast cleanup doesn’t work, try reinstalling it. So it’s best to simply uninstall Avast cleanup. To do it

  • Double-click Avast to open it.
  • Towards Setting and click The components navigation.
  • Now click down arrow next to the components tab. Here you will see options to remove (Avast Cleanup in this example), click uninstall a componentand then click ALRIGHT to confirm the component uninstallation.
  • Restart Your PC if Avast requires it, now check if the high CPU of the avast service is back to normal.
See Also  How to Ski Spring Snow Like a Pro: 7 Simple StepsWeLove2Ski

In case you doubt Avast’s behavioral shield memory usage then you can repeat the same process to remove the behavioral shield. If this fixes the high CPU issue of the avast service, then you can try turning it back on, but this time the CPU usage won’t change.

Solution 2 – Fix Avast high disk usage through Command Prompt tweak

Sometimes frequent background scanning also causes load on RAM or CPU. So if you change the refresh rate, the CPU load will decrease. It will disable background checking and monitoring but it definitely reduces the high CPU of the avast service.

  • Press Windows + R and type cmd and press enter. Run Command Prompt as administrator.
  • Type this command C: ProgramDataAvastSoftwareAvast and press enter. It will take you to the following folder where you can perform other actions
  • Open the file and insert the following command in the line [GrimeFighter]: ScanFrequency = 999
  • Save the file and restart your computer.
  • Now check if the avast service high CPU usage issue is resolved. However, if Avast is using 100 CPUs or the disk problem persists then apply the next solution.

    Solution 3 – Update to the latest version of Avast

    Most of the time it’s the old anti-virus version that causes the problem, so it’s important that you fully update both antivirus and anti-virus definitions. You can easily update Avast antivirus, follow these steps;

  • Double click on Avast to open it or click its icon in the system tray.
  • Click Menu from the drop-down list, click Settings.
  • Click Shared and then click update navigation.
    avast service high cpu usage
  • Two update buttons there, one of these nodes is concerned with updating the virus definition database and the other is related to updating the program itself.
  • Update both databases and programs. During this process, be patient as Avast checks for updates online, then follow the onscreen instructions.
  • Once done, check if the avast service high CPU usage issue is back to normal.
  • See Also  Bryshere Y. Gray wife, parents, nominations, net worth

    Solution 4 – Check if Avast Screensaver Scanning is working even though it shouldn’t

    Sometimes the Avast screensaver continues to scan even when the screensaver is not running. When this screensaver’s scanning continues in the background, it causes high CPU usage. Although you won’t be able to see it in the Avast interface. To solve this problem;

  • Right click on a random file on your PC and choose to scan file with Avast in category.
    avast service high cpu usage
  • A scan results window will pop up and you will be able to see a list of currently running scans.
  • Locate Scan the Avast . Screensaver and click Stop side button to stop the process
  • Now check if it solved the avast service high CPU usage problem.
  • Solution 5 – Repair Avast from Control Panel

    If nothing really works then it’s best to repair Avast using the control panel. Many users on the forums have stated that this solution has helped them in maintaining the high CPU usage problem of the avast service. After the repair, you will need to adjust the settings again. Before you apply this method, make sure that you are logged in as an administrator.

  • Press Windows key + CHEAPtype dashboard and then press enter. Also, if you are using Windows 10 then click the gear icon to open Setting.
    avast service high disk usage
  • When the Control Panel opens, select View As Type in the top right corner and click Uninstall a program in the Programs section.
  • If you are using the Settings app, click Application and it will open a list of all installed programs on your PC.
  • Avast locator in the Control Panel or Setting and click Uninstall/repair.
  • The uninstall wizard will open with two options: Repair and Removal. Select Repair and click Next to fix program installation errors.
    avast service high disk usage
  • The current confirm progress. This way, Avast will be restarted with default settings that were working before the error started happening.
  • Click End when the uninstall is complete and restart your PC
  • Now let’s see if the avast service high CPU usage issue is resolved.
  • See Also  Bugs Bunny What A Maroon

    We hope that these solutions will solve the high CPU usage problem of the avast service. If you have another solution to fix high CPU or Disk usage of avast service, let us know via comment.

    Last, sent you details about the topic “Fix: Avast Service High CPU Usage Issue 2021❤️️”.Hope with useful information that the article “Fix: Avast Service High CPU Usage Issue 2021” It will help readers to be more interested in “Fix: Avast Service High CPU Usage Issue 2021 [ ❤️️❤️️ ]”.

    Posts “Fix: Avast Service High CPU Usage Issue 2021” posted by on 2021-08-13 09:54:09. Thank you for reading the article at

    Rate this post
    Check Also
    Back to top button