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



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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



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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.



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Frequently Asked Questions

The second most common reason for high CPU usage is the real-time feature that constantly scans files, connections, and other related applications in real-time, which it is supposed to do (Protect In Real Time).

Since Avast Antivirus performs automatic scans, the CPU load can remain constant. While installing a new application or downloading a file from the Internet, Avast may perform a scan. In short, the answer to the question "Does Avast Antivirus slow down your computer?" - Yes. Avast can slow down your computer.

  1. Locate the orange Avast icon in the Windows taskbar, then right-click it to open the Avast antivirus program settings.
  2. Now go to Avast Shields and select one of the options shown, i.e. disable for 10 minutes, for one hour until you reboot your computer, or disable the shields permanently.