Avast is one of the most popular free antivirus applications globally. However, like most antivirus software, it is likewise resource-demanding. Should you also see Avast use high CPU, here I shall tell you all about the high CPU usage due to Avast and the way to resolve it. What Causes Avast Service High CPU Usage? Antiviruses are resource-heavy applications. Avast service offers many diverse operations such as a complete virus scan, clean up and background scanning. These processes are incredibly beneficial but use a whole lot of resources in precisely the identical moment. When you check the task manager in case of a CPU downturn, you notice the motive to be avastsvc. Exe frees up CPU resources and/or ntoskrnl. Exe consuming high RAM resources. Avast may use over provisioned CPU when you can find an incorrectly configured system settings, or if there are a few irregular entries in Windows Registry. Fix Avast Service High CPU Usage Below I will explain to you the way you can fix the Avast agency high CPU usage problems employing these X procedures. # FIX 1 (Reinstall Avast Cleanup) Avast anti virus provides a real-time threat protection service named Avast Cleanup, that acts in real-time to be able to free up some resources allocated by additional background apps. Any real-time application service will be heavy on the chip, avast service high cpu usage issue solved – and you will observe a spike in CPU usage over a prolonged time. You can just uninstall any unwanted real-time components to figure out this matter. Open the Avast GUI from the system tray notification icon. Navigate to Settings. Proceed to the Protection Beneath the Core Shields subsection, then you will find a list of real-time shields. 5. Select the protects you feel you do not want, and then uninstall them in the choice in the right arrow drop-down menu. 6. Restart your PC. Now go to job manager to confirm the CPU usage has gone down. Tip: Avast behavior protect is also the culprit occasionally. Uninstall the Avast conduct shield process and check if the CPU utilization has gone . If that fixes the problem, then you can try turning it to. This time the CPU usage should remain low. If this doesn’t fix your problem, you can try changing the scanning frequency to reduce the CPU load. # FIX two (Change Scan Frequency) Just like it was stated previously, Avast conducts desktop scans to keep your device from getting infected. If you find a spike in CPU usage due to Avast service, it be due to a background check run. You can modify the scanning frequency from the command prompt. This is how to do this: Open an elevated control prompt