Avast Service High CPU Usage Issue {Solved}

Avast antivirus is mostly compatible with all the operating systems. It is a resource-demanding tool. It performs plenty of real-time operations like virus removal, cleans up, and background scanning. No doubt, these processes are beneficial. But it also results in Avast Service High CPU Usage Issue. As a result, your computer slows down.

Avast Service High CPU Usage Issue

Many Avast users complain that Avast antivirus results in almost 50% of High CPU usage. So most of the users prefer to uninstall Avast software. Uninstalling Avast is not a solution. We should try to find the exact reasons behind the Avast Service High CPU Usage. Then according to that, we apply the fixes.

How to Fix Avast Service High CPU Usage Issue

There are many ways to solve the Avast Service High CPU Usage issue. Here we will discuss some of the most useful fixes to solve Avast Service High CPU Usage problem. These are given as:

Solution 1: Update Avast to the Latest Version

Many times old antivirus causes a problem. So it is essential to update both antivirus and virus definitions. Many users install antivirus, but they forget to update it regularly.

These updates provide some new features in the software. If high CPU usage is due to missing or corrupt files, this method will work. Follow the steps presented below:

Step 1: Launch the Avast software from your computer system.

Step 2: Locate the Avast Menu. From the menu options, select Settings.

Avast Menu

Step 3: Click on the General tab and then click on the Update tab.

Update Avast to Fix Avast Service high cpu

Step 4: Under the update option, there are two different options — one for virus definitions and other for updating programs itself. We need to update both the definitions.

Step 5: Click on the Update button for updating both these options.

Step 6: After finishing updates, restart your computer. Now check for the CPU usage.

Solution 2: Remove Avast Cleanup

Avast Cleanup is a very important tool. It acts in real-time. Avast Cleanup helps users to free the space covered by background applications. If you are observing high CPU usage, then it is best to uninstall it. Following are the steps for removing Avast Cleanup:

Step 1: Double click on Avast to open it.

Step 2: Navigate to Settings and then click on the Components tab. In case, you can’t see the Components option in Avast, it’s because you have the latest version of Avast. Now you have to go to the GeneralTroubleshooting and scroll down and click on the Open Old Settings.

Avast Components

Step 3: There are many components present here. Choose the component you want to remove. Click on the downward-facing arrow in front of that component. In our case, the component is Avast Cleanup. Click on Uninstall Component. Now, click on the OK button.

Step 4: Restart your computer. Now check if the Avast Service high CPU usage is now normal or not.

Sometimes this method doesn’t work. Then, you may repeat the same process for the component Behavior Shield.

Solution 3: Command Prompt Tweak

A continuous background scanning by Avast can also result in Avast Service High CPU Usage error. This solution can change the Scan Frequency to the maximum value. Disabling background scanning can raise some security issues. So think carefully before applying this method. But CPU usage will go back to normal. So you can give it a try. Apply the following steps to use this method:

Step 1: Press Windows + R and type cmd and press Enter key. Run command prompt as Admin.

Run CMD

Step 2: Then on the “Administrator: Command Prompt” window, type the following command: C:\ProgramData\AvastSoftware\Avast

Step 3: Press Enter key.

Step 4: Avast section window opens up. Open the avast5.ini file. Enter the following command: [GrimeFighter]: ScanFrequency=999

Step 5: Press the Enter key to save the file.

Step 6: Restart your computer. Check if the high CPU usage problem still persists. If this solution doesn’t work, then go further with the next solutions.

Solution 4: Avast Screensaver Scanning Even Though it Shouldn’t

Avast Screensaver is a weapon that becomes active when you install the Avast software. Sometimes Avast Screensaver continues to scan even though the screen saver is not running. Due to this Screensaver scanning, CPU usage becomes high. To solve the Avast Service High CPU Usage issue:

Step 1: First of all, right-click on a random file on your computer.

Step 2: After that, click on the Scan option.

Avast Screensaver scan

Step 3: Once the scanning is over, a result window appears. On this window, you will see the currently active scanning processes for other programs. Now, from these scanning programs list, search for the Avast Screensaver scan option.

Step 4: Click on the Stop button. Then click on the OK button to confirm. Now check if it solves Avast Service High CPU Usage problem.

Solution 5: Repair Avast From Control Panel

Another issue may be that there is something wrong with your antivirus. Here you can repair Avast using Control Panel. Many users claim that this method solves the problem. To try this method, apply the following steps:

Step 1: Press Windows + R to open the Run dialog box.

Open Control Panel Through Run

Step 2: Type Control Panel and press Enter and Control Panel window opens up.

Step 3: Select its view as Category at the top right corner. Now, click on Uninstall a Program under the Programs section.

Uninstall a Program

Step 4: In the case of the Settings app, click on Apps. It displays the list of all programs installed on your computer system.

Step 5: Locate Avast in Control Panel and click on Uninstall/Repair option.

Uninstall or Repair Avast to Fix Avast Service High CPU

Step 6: The uninstall wizard opens up. It contains two options: Repair and Remove. Choose Repair and click on Next to proceed further.

Step 7: Now, confirm the process.

Step 8: Click Finish when the process completes. This process fixes up the problems related to Avast. Restart your PC and Inquiry if the issue is still present.

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Conclusion

Avast antivirus comes with various advanced security features. It helps to keep our system safe and secure. But high CPU usage by Avast can result in slowing down our computer. So it becomes a matter of concern for users.

Here we have discussed five solutions to solve Avast Service High CPU Usage problem. Apply these fixes when you face such an issue. Hopefully, these fixes will solve the issue of Avast Service High CPU Usage.

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