6 Easy Ways to Fix Avast’s High CPU Usage

Are you trying to solve the high CPU utilization of Avast? Are you thinking Avast uses excessive CPU memory on your PC and you’re looking for an easy solution to solve the Avast service’s high CPU utilization issue? After viewing avast with 100 disks, you might need to investigate Avast’s behavior shield memory. There are a variety of causes that you’re experiencing high CPU utilization or excessive disk usage.

Hopefully In this post, we’ll solve the Avast service’s excessive use of the CPU. These troubleshooting tips will assist you to resolve the Avast antivirus service’s excessive CPU usage in Windows 10/7. If Avast is running on CPU in an idle state, follow these directions.

Reasons -> Avast High CPU Usage

Avast Antivirus is an awesome and resource-demanding application. Avast service is able to perform various tasks i.e. background scanning, removal of viruses complete virus scan, and cleaning. These procedures are extremely important however, they can become so annoying that you attempt to disable Avast.

Avast service is a service that uses a lot of CPU. This issue is among the main reasons for users to uninstall the avast. When you run the task manager, you’ll then be able to view ( avastsvc.exe) on a 32-bit system, you’ll be able to view avastsvc.exe the avast service (32 bits).

Another reason Avast is using excessive CPU is due to incorrectly set system settings or improper Windows Registry entries. Additionally, you should check for the ntoskrnl.exe process which consumes an excessive amount of CPU or RAM.

How To Resolve Avast Service High CPU Usage or Disk Usage Problem

  • Erase Avast Cleanup Tool
  • Resolve Avast High Disk Usage Through Command Prompt Tweak
  • Update Avast
  • Check If Avast Screensaver Scanning is Enable Although it Shouldn’t
  • Repair Avast Through Control Panel
  • Fix Issue Via Registry Feature

Method 1: Erase Avast Cleanup Tool

The Avast Cleanup tool is an important component. Additionally, it functions as a live scanner and assists users in removing storage space taken up by background-running applications. If you’re seeing the avast service using a lot of memory or CPU problems, then it will be the cleanup component.

If Avast cleanup ceases to function Try reinstalling it.

Therefore, it is suggested for you to simply remove Avast Cleanup. Doing this

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Step 1:

Double-tap on Avast to launch it.

Step 2:

Go into Settings and click to open the Components tab.

Step 3:

Then, tap the downward-facing Arrow that is downward-facing found just below the components tab. There you’ll see the options to delete (Avast Cleaning up in this case). Tap to remove a component then click “OK to verify the uninstallation for the part.

Step 4:

Start your PC If Avast requests, then you can look to see if the high CPU of the avast service is back to normal.

Method 2: Resolve Avast High Disk Usage Through Command Prompt Tweak

Certainly, frequent background scanning is the reason for loading CPU or RAM. Therefore, if you change the scan frequency, the load on the CPU will decrease. It’ll turn off the background check and monitor, but it will also decrease the availability of service that is high-end CPU.

Step 1:

Press on the Windows + R and input cmd, then press enter. Execute Command Prompt as Admin.

Step 2:

Input this command C:\ ProgramData\AvastSoftware\Avast and hit enter. This will bring you to the appropriate folder where you can perform additional actions

Step 3:

Visit your avast5.ini document and include the following command into the line “[GrimeFighter] ScanFrequency=999

Step 4:

Save the file, then restart your computer.

Then check if the Avast service issue with high CPU usage is resolved or not. If, however, Avast running at 100 CPUs or the disk issues persists, then try the second solution.

Method 3: Update Avast

In the majority of cases, it’s the antivirus that was previously installed that creates problems, so it is recommended to complete updating both the virus and antivirus definitions. It is also possible to update the Avast antivirus Follow these steps:

Step 1:

Double tap on Avast to open it or tap its icon in the tray of your system.

Step 2:

Tap on Menu on the drop-down menu or tap Settings.

Step 3:

Select the General tab, then tap to open the update tab.

Step 4:

Once you have done this, you will be able to look at the two buttons for updating. One of them is connected to updating the virus, while the other is related to updating the program itself.

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Step 5:

You are able to upgrade the database and the program and the database. Be at ease as Avast will check the update online and then follows the steps on the screen.

Step 6:

After the process is completed, check to see whether the avast service’s problem with high CPU usage has returned to normal.

Method 4: Check If Avast Screensaver Scanning is Enable Although it Shouldn’t

It’s not the Avast screensaver that scans the screen saver, but it’s not working. If the screensaver is running in the background, it is the cause of excessive CPU use. Even though you aren’t capable of viewing it within Avast’s interface. Avast interface. To correct this problem:

Step 1:

Right-tap on the random file on your PC and choose to search the file using Avast within the context menu.

Step 2:

A window for scan results opens and you’ll be capable of viewing the list of scans that are running currently.

Step 3:

Include to the screen saver scan from Avast and then tap on the button to stop the process. a button that is just below the stop button to end the process.

Step 4:

Then check to see if it has fixed the high CPU use of the avast services issue.

Method 5: Repair Avast Through Control Panel

If you are unable to resolve the issue, it is best to fix Avast via your control panel. Many users have reported that this fix helped in avoiding excessive CPU usage. After fixing the issue, you will need to readjust the settings. Before you try this technique, ensure that you’re registered as an administrator.

Step 1:

Hit the Windows and R keys or enter the input control panel after which press Enter. In contrast, you have installed Windows 10 then press the gear icon in order to open the settings.

Step 2:

If the Control Panel opens, choose the Display as Category that is located at the top right corner. Then, tap to Uninstall a program in the section of Programs.

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Step 3:

After you have used to open the Settings app, select the Apps tab which will display a page of all the installed programs on your PC.

Step 4:

Simply search for Avast within your Control Panel or Settings and then click Uninstall/Repair..

Step 5:

The uninstall wizard will open with two choices i.e: Repair and remove. Select Repair and then select Next to complete the installation issue.

Step 6:

Then ensure the entire process. In this case, Avast will again restart with the settings that were in place before the error started to happen.

Step 7:

Press Finish when you have the uninstalled program finished the process. reboot your system.

Step 8:

Then you can see if there is a problem with the avast services the issue of high CPU usage has been resolved.

Method 6: Fix Issue Via Registry Feature

The utilization of high-end CPU and RAM can be a problem on the Windows 10 system. Therefore, Avast Antivirus Registry’s Avast Antivirus Registry feature becomes helpful in this case.

Here’s a solution using this Avast virus registry files to resolve this Avast Service High CPU usage problem and solve it using simple steps:

Step 1:

You can go for your Run Command prompt following you have entered the Windows + R option by pressing and pressing the buttons.

Step 2:

Input the keyword Enter the following keyword and press Enter.

Step 3:

Then follow the provided path to your computer.

System path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management’

Step 4:

Add the file ClearPageFileAtShutDown and modify its values to 1.

Step 5:

Reboot your PC system and then start using the Avast Antivirus app again.

Step 6:

The Avast Service High CPU usage issue must be resolved.


We hope that following this article you’ll be able to put an elation on your face because your issue will be solved in full. I’m hoping these fixes will solve the avast service problem with high usage of CPU. If you have a different solution to resolve the issue of the issue with avast’s service’s high CPU or disk usage issues, please let inform us in the comment section below.

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