How To Reduce Avast CPU Usage

Dining table of articles

  1. How To Reduce Avast Central Processing Unit use
    • Method # 1: Reinstall Avast Cleanup
    • Method number 2: Change Scan Frequency
    • Method no. 3: Disable Screensaver Scan
    • Method # 4: Update Avast
    • Method # 5: Reset Avast
  2. Summary

How To Reduce Avast CPU use

Here are five typical repairs which will help prevent Avast from occupying a great deal of your CPU allocation. 

Method # 1: Reinstall Avast Cleanup

Avast cleaning is a real-time solution for risk protection that works to release resources allocated by various back ground apps. Like other real-time application solutions, Avast cleaning can be hefty regarding the processor and certainly will cause a spike in Central Processing Unit use over time. 

However, you’ll resolve this problem by uninstalling unwanted real-time elements. Here’s how:

  1. Open Avast GUI.
  2. Go to “Settings.”
  3. Then get to “Protection.”
  4. In the “Core Shields” section, you’ll find a listing of real-time shields. 
  5. Choose the shields you don’t need and uninstall them. There is the substitute for uninstall in the drop-down menu.
  6. Restart your computer and start task supervisor to verify that Central Processing Unit usage is right down to normal ranges.

If your Central Processing Unit usage continues to be high, you’ll proceed to the following fix. 

Method number 2: Change Scan Frequency

Avast frequently operates back ground scans to be sure your unit isn’t infected. When you see a rise in Central Processing Unit use as a result of Avast, maybe it’s as a result of a background scan. You could attempt to fix that issue by changing the scan regularity through the demand prompt. Here’s what you should do:

  1. Open “Command Prompt” once the administrator. 
  2. In the cmd, kind cd C:ProgramDataAVAST SoftwareAvast and hit Enter to start the Avast folder. 
  3. Next, available the ini file and kind [GrimeFighter] : ScanFrequency=999 to improve the scan regularity.
  4. Save the ini file and restart the computer.
  5. This will limit the backdrop checks to happen one time in a little while. 


While the Central Processing Unit load goes down, changing the scan regularity may cause protection issues.

Method no. 3: Disable Screensaver Scan

In some instances, the Avast screensaver continues scanning regardless if the screensaver is stopped. Whilst it does not take place all too often, it is usually the reason behind an elevated CPU load with no obvious explanation. Plus, you can’t begin to see the screensaver scan in Avast’s program. You could resolve this dilemma by after these actions:

  1. Right-click on any random file present on your pc to start the context menu and select Scan with Avast.
  2. You might find a scan outcome screen up with a listing of scans currently operating on the device. 
  3. Open the Avast screensaver scan and then click regarding the “Stop” button present beside it. 
  4. Close the window and start the taskbar to see if Central Processing Unit use has returned on track. 

If the Central Processing Unit use continues to be high, you’ll need certainly to upgrade the program. 

Method # 4: Update Avast

In some instances, outdated software may also result in the Central Processing Unit load to boost considerably. For this reason you ought to keep both the herpes virus definitions plus the anti-virus computer software updated. To do this, right here’s what you need to do:

  1. Open up the Avast GUI.
  2. From the “Update” tab, try to find the present variations for the virus definitions and antivirus.    
  3. Check for pending updates and then click “Update” to upgrade both.

Updating the program fixed the high CPU usage for several users, however, if you nevertheless face similar issue, the very last thing you can certainly do is reset the program. 

Method # 5: Reset Avast

If you have the newest computer software variation, nevertheless the Central Processing Unit use continues to be high, it may be as a result of some broken data. To correct this problem, you’ll have actually to correct the program. Here’s how: 

  1. Open “Control Panel” and get to “Programs and Features.”
  2. Find “Avast” from record of applications and then click on “Uninstall/change.”
  3. Then simply click on “Change” and select “Repair.”
  4. Wait for Avast to really make the needed changes towards the documents and fix your client computer software.
  5. Once done, restart your computer to double-check in the event that Central Processing Unit use has returned on track. 


There’s without doubt that Avast the most popular & most effective anti-virus software readily available for free. Nonetheless, its high CPU demand could be annoying and difficult. However with the five techniques mentioned previously, you’ll reduce Avast’s Central Processing Unit use and take it back again to normal. 

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