How to Repair Avast Service High CPU Usage Problem on Windows PC

Because security tools perform real-time operations, they consume a lot of resources. But when an antivirus tool consumes all the CPU power, things get complicated.

Users using Avast, a popular antivirus tool, constantly face high CPU load. If you find yourself in this situation too, we have a solution for Avast Service High CPU Usage.

What causes Avast Service High CPU Usage

  • The incorrect installation process of Avast antivirus tool.
  • Incorrect way of system shutdown due to power failure or other reasons.
  • Deletion of a system file or registry entry.
  • The consequence of a virus or malware attack.
  • Problem with Avast settings

How to fix Avast service High CPU load

Repairing Avast

  1. Type Control in the Windows 10 Cortana search box and select the Control Panel option that best suits your needs.
  2. You can also press Windows + R, type Control Panel, and then press Enter to open it.
  3. Select View by Category in the upper right corner, then click Uninstall Program under Programs.
  4. Find the Avast program, right-click on it and select Uninstall.
  5. On this page, select Repair to restore the program.
  6. Then click Yes to confirm the operation.
  7. Reboot your computer.

Remove the Cleanup Tool from Avast

  1. Open the Avast user interface by clicking on the icon on the taskbar.
  2. Click the Menu button in the upper right corner and select Settings.
  3. Switch to the Components tab.
  4. Find the Avast Cleanup Tool and click the down arrow next to it.
  5. Then select Uninstall Component and click OK to confirm the uninstall.
  6. Restart the Avast program.

Update Avast to the latest version

  1. Open the Avast user interface by clicking on the icon on the taskbar (notification area).
  2. Click on the Menu button in the upper right corner.
  3. Then click on Settings.
  4. Click the General tab, then switch to the Update tab.
  5. Click both buttons to check for new updates.

Frequently Asked Questions read more

Troubleshooting: ‘Avast Web Shield Won’t Turn On’ Issue in Windows 10

Avast antivirus software has a Web Shield feature that protects your computer from downloading malicious programs while you are surfing the Internet. To keep your computer safe, you must enable Avast Web Shield. However, some users may encounter this error: Avast Web Shield is not activated.

What is the reason why Avast Web Shield is not activated?

  • The most common reason for this problem may be a conflict with other antivirus software. If you have two or more antivirus programs, you may often have problems with Avast Shield.
  • The second reason may be related to the latest version of Avast antivirus software. In some cases, the latest version of the software may not be compatible with your system.
  • The latest Windows 10 operating system update may also cause this error. Some Windows registry files may not be compatible with the Avast antivirus software.
  • Some corrupt or missing program files in your Windows operating system may also cause this problem.

How can I fix the “Avast Web Shield not turning on” problem?

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How to Troubleshoot “Virus Definitions Update Failed” problem in Avast Antivirus

Avast is popular antivirus software available for Windows, macOS, iOS, and Android. It is available in free and paid versions, both of which can effectively protect your data from unauthorized access. It can detect and remove all malware and other threats, making it one of the most recommended third-party antivirus solutions.

When using Avast to protect your computer from viruses, you should regularly check for new virus definitions. This is a database of virus types that antivirus software uses to detect threats to your system. Sometimes an error occurs when you try to download this database. read more