The BFE service controls the operation of the Windows Filtering Platform. This service is essential for the operation of many firewall products, including Avast.
This issue may be a result of active malware which has disabled, terminated, or removed the Windows BFE service to prevent detection. It may also result from changes made to your system files or registry from a PC tune up software.
To resolve this problem, you need to restore and start the BFE service.
Ensure that the Windows Base Filtering Engine service is running by following these steps.
Before you begin, make sure you are logged in to Windows as a user with administrator permissions.
- Press Win + R to run the Windows Services console, then type
services.msc in the field and click OK. The Services console appears.
- Locate Base Filtering Engine in the Windows Services console, and check the Status column. The status needs to display the text Running before you can continue installing Avast. If the status is blank, it means the service is not running.
- Right-click Base Filtering Engine in the list and select Start to enable the BFE service.
If the BFE service does not start, select a method below and use the instructions in the relevant article:
- Repair the BFE Service by using Windows Firewall Diagnostics:
- Remove malware that may be blocking the BFE service by using Avast Rescue Disk:
- Go back to the Avast Antivirus setup and click Retry to continue the installation or use the following links to install Avast from the beginning: