- Install, after close it completely. (Don't untick Launch System SpeedUp Pro, let it load for once and close.)

- End all actively running processes under Task Manager.

* Open Task Manager. You will have 3 actively running processes of Avira. End all of them.

- Launch Keygen as Admin.

- Click patch button, after you get successfully patched notice, click Activate button.

- Reboot to enable service to start again.

Thanks @ MADARA for writing the keygen.