Go to the Windows taskbar and search for the orange Avast icon. Then, right-click on it and find “Avast shields control.” Choose one of the options – disable for 10 minutes OR 1 hour OR until computer restart OR permanently. Step 2. Confirm your choice by tapping YES when Avast asks you.Go to the Windows taskbar and search for the orange Avast icon. Then, right-click on it and find “Avast shields control.” Choose one of the options – disable for 10 minutes OR 1 hour OR until computer restart OR permanently. Step 2. Confirm your choice by tapping YES when Avast asks you.