How to Turn Off Avast Antivirus Completely
- 1). Right-click the Avast Antivirus icon in the notification area of your toolbar. The notification area is on the right side of your toolbar.
- 2). Hover over the “Avast Shields Control” entry of the right-click contextual menu. This expands the menu to offer additional options. Click “Disable Permanently” to turn off all Avast protection shields.
- 3). Click “Yes” to confirm your action in the Avast warning screen. This confirms that you intended to shut down Avast protection.
Source...