Avast Antivirus Is Not Updating

Why Avast Antivirus Not Updating?

If Avast Antivirus is not Updating, then it needs to be regularly updated to function effectively. Sometimes, an unknown error may occur while updating Avast. Improper DNS settings or firewall running on your system may cause such errors.

  • Carry out the steps below if you are not able to update the Avast antivirus software.
  • Tap the Windows and R keys together to open the command prompt.
  • Type ‘ncpa.cpl’ in the command box and click OK. This opens the Internet Connection Settings window.
  • Navigate to the Network Adapter icon you are using and double-click it.
  • Select the Properties option. Click the General tab.
  • Set the DNS server to and the Alternate DNS server to You can now use the Google DNS address.
  • Click OK and exit the dialog box. Check if you are able to update the Avast antivirus.
  • If the issue persists, proceed with the steps below to reset Internet Explorer (even if you are not using it).
  • Launch the Internet Explorer browser and click the settings (gear-shaped icon) on the top-right corner of the screen.
  • Click Internet options. Under the Advanced tab, select the Reset Internet Explorer option. Select Reset.
  • If you have no important data saved in the Internet Explorer, mark the Delete Personal settings box.
  • Click the Reset button to confirm. Once the process completes, try updating Avast.
  • If the issue does not resolve, you need to add an exception for the Avast updater on your firewall. Make sure the Updater is allowed by your firewall.
  • If all the above steps do not help, remove and re-install the Avast software again.
Avast Antivirus is not Updating

Why Avast Not Updating Automatically?

  • Check if the Auto-update feature on your Avast software is enabled.
  • Launch the Avast user interface and navigate to Menu.
  • Click the Settings option. Make sure the General option is enabled.
  • Click the Update option. Click the More Options drop-down menu.
  • Make sure the Automatic update option is enabled.
  • If you are connected to the Internet through a proxy server, make sure you had configured it for application updates.
  • From the Update menu on your Avast user interface, check the box near the Use specific proxy server option.
  • Make sure the Type is set to HTTP or SOCKS4. Make sure the proxy server address is provided correctly in the Address field.
  • If your proxy server needs authentication, enter the correct username and password.
  • If Avast Antivirus is not Updating, try manually updating Avast.

Why Avast Free Antivirus Will Not Update?

  • Try updating your operating system. Click the Settings button and select Update & Security.
  • Choose Windows Updates and then select the Check for updates option. Check if the issue has been resolved.
  • If the above step did not help, disable the firewall currently running on your desktop.
  • Try to perform a clean boot on your system. Launch the system configuration window and select the Service tab. Checkmark the Hide all Microsoft services box and then click the Disable all option.
  • Open the Task Manager window, select all the items listed in the window, and click the Disable option.
  • Close the Task Manager and click OK in the System Configuration dialog box. Restart your computer.
  • Now try to update the Avast software. If you are not able to troubleshoot the Avast Antivirus is not Updating issue, you can get assistance from our technical experts.

Why Avast Android Virus Definition Update Failed?

This issue usually occurs due to the incompatibility of the software with your OS. Also, improper Avast installation may cause this error.

  • The first step to try is to update the Avast software manually. Launch the Avast software and click the Update tab.
  • Check and install any pending updates. If there are no updates available, repair the Avast software.
  • Click the Start menu and then select the Clean my PC Programs and Features option.
  • From the list of options displayed, select the Avast option and then choose Uninstall/change.
  • Click the Change tab on the Uninstall or change a program option. Choose the Repair option.
  • Wait while Avast makes the required changes to repair the client software.
  • If the problem persists, remove (uninstall) the Avast Antivirus software from your system.
  • Open the Run dialog box on your system and type msconfig in the command prompt. Tap the Enter button.
  • Under the Boot tab, go to the Boot options and check the Safe boot box.
  • Click Apply followed by OK. Now, restart your system. The system is in the Safe mode, you can uninstall the Avast software.
  • If you require assistance in troubleshooting the issue, you can call our technical experts and fix your problem in no time.

Why Avast Internet Security Won’t Update?

  • Check if the Avast antivirus software is compatible with your OS.
  • Check if your Avast Antivirus is not Updating. If not, update it.
  • Disable the firewall on your system temporarily and check if you are able to update Avast Internet Security.
  • Make sure the Internet connectivity is stable. If it is poor, then restart the router you are using and re-establish the internet connection.
  • Now, click the Avast Antivirus icon on your desktop and click it.
  • Select the Update option and then click Program.
  • Wait for the update process to complete. Restart your system.
  • If the Avast not Updating issue persists, contact our technical experts and get your Antivirus issue resolved.

Why Avast Update Not Working?

  • Try using the Avast Setup wizard to fix the issue. Check if you are logged in as the administrator into your Windows.
  • Click the Start button, go to the Apps and Features option, and select Avast Antivirus. Choose the Uninstall option.
  • Click Yes on the User Account Control dialog box if asked for permissions.
  • When the Avast Setup wizard appears, click Repair. When the process completes, click the Done tab. Check if the Avast Antivirus is not Updating issue has been resolved.