Avast Antivirus compatibility with Windows 10 system updates

As of November 2019, Avast Antivirus program versions 19.5 or lower are no longer compatible with the Windows 10 19H1 update from May 2019. Before your PC can update to this Windows 10 version, a setup dialog displays the applications that need your attention first. If Avast Antivirus appears in this dialog, refer to the instructions below to get the latest version of Avast Antivirus before updating your Windows 10.

Instructions

To update your Windows version, you first need to either update your current Avast Antivirus program or reinstall your preferred Avast Antivirus program:

A. To update

  1. To update your currently installed Avast Antivirus program version, refer to the following article:

You are now able to update your Windows 10 to the 19H1 version.

B. To reinstall

  1. Before you reinstall Avast Antivirus, you need to uninstall your current version. For detailed instructions, refer to the following article:
  2. To reinstall Avast Antivirus, refer to one of the following articles according to your preferred Avast program:
  3. To activate your Avast Antivirus, refer to the following article according to the program you reinstalled in the previous step:

You are now able to update your Windows 10 to the 19H1 version.

  • Avast Premium Security 19.5 and lower
  • Avast Premier 19.5 and lower
  • Avast Internet Security 19.5 and lower
  • Avast Free Antivirus 19.5 and lower
  • Microsoft Windows 10 Home / Pro / Enterprise / Education - 32 / 64-bit (19H1 update and higher)

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