In Avast Antivirus, various program components contribute to the overall protection of your PC. Certain components are installed by default while others can be added during advanced installation. You can manually install or uninstall components at any time, however, we do not recommend uninstalling components unless it is necessary for troubleshooting purposes.
Add or remove program components
- Open the Avast user interface and go to
☰Menu ▸ Settings.
- Select General ▸ Troubleshooting ▸ Add & Modify Components
. - Tick the box next to components you want to install, untick the box next to components you want to uninstall, then click Change to confirm.
- When the update is complete, click Restart computer.
Avast components are now updated.
- Log into Windows as an administrator and ensure no other programs are running.
- Open the Avast Antivirus Setup Wizard.
- When the Avast Setup wizard appears, click Modify.
- Tick the box next to components you want to install, untick the box next to components you want to uninstall, then click Change to confirm.
- When the update is complete, click Restart computer.
Avast components are now updated.
- Avast Premier 19.1
- Avast Internet Security 19.1
- Avast Pro Antivirus 19.1
- Avast Free Antivirus 19.1
- Microsoft Windows 10 Home / Pro / Enterprise / Education - 32 / 64-bit
- Microsoft Windows 8.1 / Pro / Enterprise - 32 / 64-bit
- Microsoft Windows 8 / Pro / Enterprise - 32 / 64-bit
- Microsoft Windows 7 Home Basic / Home Premium / Professional / Enterprise / Ultimate - Service Pack 1, 32 / 64-bit