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Internet Security inactive because of missing Base Filtering Engine

In some cases it may happen that important services like the Microsoft Base Filtering Engine are not working correctly or even do not exist. That could be one reason, why Email and Web Protection are deactivated. In some cases this may happen after an upgrade to a higher version.

The instructions below will help you to add or repair the missing services so that Email and Web Protection are working correctly again.

There will be two automatic restarts of your computer.

If you are using a utility program to clean potentially unwanted files (like CCleaner), the script may not work correctly. Therefore, please deactivate the corresponding option(s) which delete temporary files.

The provided file makes it easy to add or repair the missing services. Please follow the instructions below:

  1. Click this link and save the file on your Desktop.
  2. Click with the right mouse button the downloaded file.
  3. Select Extract to bfe-fw-fix or Extract All (depending on the software).

    Extract to bfe-fw-fixExtractAll...
  4. Enter the password avira and click OK.
    A new folder called "bfe-fw-fix" is created on your Desktop.

    Extract file - Enter password

  5. Open the folder "bfe-fw-fix" and double-click the bfe-fw-fix.exe file .

    Explorer - Execute file
  6. Confirm the user account control request with Yes.

    Windows - User Account Control
  7. Follow the instructions on the screen.

    Two automatic restarts are required.
    Confirm each prompt with OK.

    Avira message: 1. System reboot required

  • Affected products
  • Avira Antivirus Pro


Avira stopped working. When i duoble click on avira symbol on my screen it doesnt open. I deleated whole avira content and programs from my pc and downloaded again by using myavira internet site. It worked a few days then the same thing happened again. Now i can use neihter avira as an antivirus program nor VPN which i paid extra. Can you help me with that problem please??

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