Support: Avast product compatibility with Windows 10 - FAQs

Frequently Asked Questions

Issues and workarounds

How can I fix Avast Firewall if it stops working after a Windows 10 upgrade?

Make sure that you upgrade Avast Antivirus to 2015 R3 and restart your system after the upgrade.

Multiple reboots are necessary on some systems. We are investigating the cause of this issue.

How can I fix Avast Antivirus if it stops working after a Windows 10 upgrade?

Only Avast Antivirus 2015 R2 and R3 are compatible with Windows 10. You may need to reinstall the Avast software to restore your protection. Please see Installing Avast Antivirus 2015 on Windows 10 for detailed steps.

Users with Premium Avast Antivirus products may need to insert the license again after re-installing the software.

How can I fix Avast SecureLine VPN if it stops working after a Windows 10 upgrade?

Make sure that you upgrade Avast Antivirus to 2015 R3 and restart your system after upgrading the program.

The SecureLine VPN standalone program is fully compatible with Windows 10.
See Installing Avast SecureLine for detailed instructions.

Can I use Avast Security plugins in the Windows 10 Edge browser?

Unfortunately Avast EasyPass and Avast Online Security cannot be used with the Edge browser because it does not support the use of plugins. To use plugins you need to configure Windows 10 to use a browser that allows plugins by default. To change the default browser setting in Windows 10 do the following:

  1. Go into the settings of your preferred browser and set that browser to be your default.
  2. Windows opens the Choose default apps screen.
  3. Scroll down to the Web browser item and click the Edge icon.
  4. In the Choose app screen select your preferred default browser.

Instructions for upgrading Avast Antivirus:

  • All available Avast software
  • Microsoft Windows 10 Home / Pro / Enterprise / Education

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