Get ESET antivirus today! Although the issue doesn’t manifest itself outside Event Viewer, neither does it have an adverse effect on the PC. Some affected users are however concerned that due to this issue, they are leaving their system exposed to security issues. If the Avast Update Helper Errors 1316, 1638, or 1603 has occurred on your Windows 11/10 PC, you can try our recommended solutions. Follow the order presented below and see if that helps to resolve the issue on your system.

Why is Avast not updating?

The major reason for Avast not updating the virus definitions is incompatibility issues. Your Avast version may not be compatible with the Windows version installed on your system. This can pose a problem if you don’t regularly update your Windows and other software. You can also face this error if you have Avast installed incorrectly. This can occur if an update failed or was canceled during installation. How often should Avast antivirus be updated? It is important to constantly update the anti-virus software on a computer because computers are regularly threatened by new viruses. The anti-virus updates contain the latest files needed to combat new viruses and protect your computer. Your security software should be set to check for updates at least once a day. This will already be the default setting for most current security programs, although it’s worth investigating your program’s settings to make sure this is the case.

How can I fix the Avast error 1638 on my PC?

1. Update Avast to the latest version

Clicking the Restart now button will restart your computer. And reboot your device alongside the Avast Antivirus application.

2. Repair Avast

Due to a partially corrupted Avast application installation, the Avast update helper errors can be triggered. In this case, to make the errors go away, you can repair Avast using the application inbuilt function.

3. Disable or Uninstall Avast Secure Browser

After uninstalling, go to the Avast official website and download the latest Avast antivirus. Then install the software. That’s it from our side in this guide. Let us know in the comments below which one of the above solutions works best for you.

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