system
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This can occur due to incorrect proxy settings in the web browser for Avast
Resolution: Include the Proxy server settings for Internet Explorer when using broadband and/or local area network (LAN) Internet connection
- Start Internet Explorer.
- Select Tools → Internet Options… from the main menu.
- Switch to page Connections.
- Click on the LAN Settings… button.
- Check the option Use a proxy server for your LAN.
- Write localhost into the Address field (alternatively, you can enter IP address 127.0.0.1, which is the same as localhost).
- Enter 12080 into the Port field.
- Confirm with OK button.
Screenshots provided below:
Have a wonderful day. Good Karma!