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6 Fixes for Avast Service High CPU Usage [Solved]

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Avast Service High CPU

Are you tired weeding through various articles about Avast Service High CPU Usage issue available online?

If yes, then don’t worry! We will resolve your every query in this authoritative guide that covers everything you need to know with 6 fixes for high CPU usage in Avast.

FIRST, let us understand…

What is Avast Service High CPU Usage Issue?

Avast Service High CPU Usage is an error in Avast antivirus that is caused due to malfunctioning of the system components. The error name contains below information in detail;

  • Why has the error developed?
  • How has the error occurred, and the reason behind it?

The error has a numerical code that can be broken down into standard form by the manufacturer of the malfunctioned software. Keeping this mind, it might be difficult for a layman to decode the error without proper skills or technical knowledge.

Some of the possible causes of Avast Service High CPU usage could be;

  1. Deletion of system registry documents.
  2. Power failure leading to abrupt PC shutdown.
  3. A powerful virus attack or malware in the system.
  4. Failed installation of any system software or misconfigured system files.

Thus, Avast is a large antivirus company, and this error was developed after their recent patch update. To stop it from happening again and again, you need to thoroughly read this guide and apply all the tricks mentioned below.

Solve Avast Service High CPU Usage Issue (100% Working)

Avast service high CPU usage problem has forced many users to uninstall the application as it is a very irritating error. Therefore, we have come up with this guide to help you resolve the problem efficiently.

Fix 1: Reinstall the Avast Antivirus Cleanup Tool

The free space that gets occupied by the applications running in the system background can be easily tracked and cleaned by the Avast cleanup tool.

Avast Service High CPU

This makes the tool extremely critical to users of Avast antivirus. However, if the tool is not installed correctly, it might cause the HIGH CPU usage issue.

So, in that case, you need to uninstall the Avast cleanup tool by below-mentioned steps;

Step 1: Navigate to Avast Application and open the software.

Step 2: Search for Components Tab in the application and click to open it.

Step 3: After snapping on a downhill fronting arrow. Choose Remove Avast cleanup and uninstall component of Avast antivirus.

Step 4: Click OK to uninstall the components of Avast CPU Cleanup Toolkit from the PC.

Step 5: Reboot the PC and open the application again.

In case you feel that the error has happened due to Avast behavior shield memory usage. You need to follow the same procedure for Avast shield memory and then reinstall it if needed.

We hope that you will have a smile on your face after reading this article as your query will be resolved entirely, and you can enjoy your cup of coffee!

We hope that now the Avast antivirus will work fine without any issue or bugs. If you still encounter any issues, then follow the below steps.

Fix 2: Avast Repair using Windows Control Panel

Avast service high CPU usage problem has forced many users to delete the application as it is a very infuriating error. Therefore, we have come up with this guide to help you resolve the problem efficiently.

To make this fix work you need to first log in as a system administrator and then follow the below steps;

1. Navigate to Control Panel in the Windows OS of your system. You can do so by either typing Ctrl + R and then typing the control panel or by clicking or Start ICON and navigating to the panel.

2. Navigate to Program section of the System programs and ensure that you have chosen View as Category feature to uninstall a program.

3. Inside the Control Panel, there will be a complete list of all the system applications. Locate Avast Antivirus and right-click on it to uninstall the software.

4. Uninstall Avast Antivirus, and it will show 2 options for the process to complete. The available options will be Update, Repair, Modify, and Uninstall. Now click on the Repair button and proceed further.

5. Wait for the REPAIR process, and Avast will restore all its default settings i.e., even before the entire process had begun.

6. FINISH the uninstall or repair process and reboot the system for all the settings to get appropriately installed into the PC.

7. Start Avast Antivirus and hurray; the issue will be resolved.

We hope that you will have a smile on your face after reading this article as your query will be resolved entirely, and you can enjoy your cup of coffee!

We hope that now the Avast antivirus will work fine without any Service usage issue or bugs. If you still encounter any issues, then follow the below steps.

Fix 3: Check for Avast Antivirus Screensaver Scanning Options

CPU usage might become extremely high if Avast antivirus screensaver scanning is running in the system background.

To fix this issue follow the below steps;

1. Right-click on any system application and click to RUN Avast Antivirus scan.

2. You will be navigated to a new popup screen that will have the list of all ongoing scans running in the system background.

3. Detect the Avast Antivirus Screensaver Scan feature and right-click on it and hover to STOP button to stop it from running in the system background.

4. Hurray! The Avast Service High CPU usage issue must be resolved.

We hope that you will have a smile on your face after reading this article as your query will be resolved entirely, and you can enjoy your cup of coffee!

In case this fix did not work for you, then go for the next fix as the primary cause for the error is difficult to identify.

Fix 4: Update the Avast Antivirus

Avast continually updates its patch files with the latest system updates. Thus, it is essential to update the file regularly.

Step 1: Open the Avast Antivirus by navigating to the software directly.

Step 2: Hover to Setting and click on the Menu option available on all Windows 10 devices.

Step 3: Navigate to the General button followed by Update software or application button for updating the Avast Antivirus application.

Step 4: Now you need to opt from 2 update buttons;

Update Button 1: This updates or upgrades the antivirus database definition of the system software.

Update Button 2: This upgrades the Program Application itself.

Step 5: Update first using button 1 and update the program files.

Note: This Update process is time-consuming, so grab a cup of coffee and wait for some time to get results.

Step 6: Yippee! The Avast Service High CPU usage issue must be resolved.

If you observe Avast Antivirus using 100 disk space, then comes the very critical role of Avast antivirus behavior shield memory usage. Thus, it becomes tough to identify the exact cause of the service high CPU usage issue, and there might be more than 1000 reasons for this error to happen.

We hope that you will have a smile on your face after reading this article as your query will be resolved entirely, and you can enjoy your cup of coffee!

In case this fix did not work for you, then go for the next fix as the primary cause for the error is difficult to identify.

Fix 5: Avast Antivirus Registry Feature

High CPU and RAM usage could be hazardous for your Windows 10 system. Therefore the Avast Antivirus Registry feature could highly beneficial in this case.

Here we have developed a trick with the Avast antivirus registry file to resolve Avast Service High CPU usage bug and fix it with straightforward and easy steps;

Task 1: Open the RUN command prompt by entering Windows + R option by pressing and holding the buttons.

Task 2: Enter the following keyword Regedit and press Enter.

Task 3: Now follow the below-mentioned path into your system or PC;

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

Task 4: Locate the file ClearPageFileAtShutDown and change its values to 1.

Task 5: Reboot the system PC and start the Avast Antivirus application again.

Task 6: Finally, the Avast Service High CPU usage issue must be resolved.

We hope that you will have a smile on your face after reading this article as your query will be resolved entirely, and you can enjoy your cup of coffee!

Do let us know in the comment section below that which of the above fixes worked for you!

Fix 6: Using Windows Command Prompt

The frequent background scanning feature of Avast antivirus is time-consuming. It could significantly reduce the speed and processing power of the CPU.

If we could decrease the number of background processes in our Windows 10 PC, then we can quickly fix the Avast Service High CPU usage problem.

Step 1: Run the command prompt as an Admin.

Step 2: Open the command prompt and enter Ctrl + R.

Step 3: Enter the command C:\ ProgramData\AvastSoftware\Avast, and this will take you to the folder where the Avast files are located.

Step 4: Search and open the file having the name avast5.ini file.

Step 5: Insert the following command [GrimeFighter]: ScanFrequency=999 and then save the file.

Step 6: Reboot the system PC and start the application again.

Step 7: Finally, The Avast Service High CPU usage issue must be resolved.

As an Avast Antivirus user, you must be thinking that how does it happen that Avast Antivirus is consuming so much of the CPU usage. Well, the answer to this is that the technology behind Avast Antivirus runs many background processes.

We hope that you will have a smile on your face after reading this article as your query will be resolved entirely, and you can enjoy your cup of coffee!

Do let us know in the comment section below that which of the above fixes worked for you!

These background processes continuously absorb a lot of systems or Windows CPU or significantly reduces the processor speed. This, in turn, leads to Avast Service High CPU usage error in the Windows 10 PC.

Fix System ntoskrnl.exe Process in Windows 10

If you are looking for ways to fix the system ntoskrnl.exe processes due to very high CPU usage and slow processing capacity in your Windows 10 device, then this guide will help you out.

The high CPU usage, along with the slow processing speed of the CPU, is often related to the memory leak problem of the system or the PC.

Step 1: Clean the PC with a trusted antivirus like Avast Antivirus application.

Step 2: Update all the system drivers by either using Windows Driver update or any 3rd party plugin for a hassle-free experience.

Step 3: Stop Runtime Broker for enhancing CPU usage and processing speed.

1) Look for system settings by navigating to the Start Menu in Windows 10 device.

2) Hover to System feature and select Notifications and Actions inside it.

3) Disable the following feature into your Windows 10, i.e., ‘Show me tips about Windows.’

4) Reboot the system PC and start the application again.

5) Finally, The Avast Service High CPU usage issue must be resolved.

Final Verdict for Avast Service High CPU Usage Problem

Avast is a top-rated antivirus among all the antiviruses available online. So, every now and their software gets upgraded for better user experience. However, in this process, there might be sudden new bugs that might irritate the users.

Therefore, we have provided a useful guide to resolve such errors so that you can have an exceptional PC experience. If you have something new to share or any feeling or experience, then also feel free to explain it to us so that we can publish it on our portal.

Do let us know in the comment section below that which of the above 6 fixes worked for you!

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