[solved] openvas - Secure Connection Failed - Greenbone Security Assistant WebGUI

Hello,
i started the openvas-setup, and then the openvas-start.
Try to connect: https://127.0.0.1:9392 but there is a Problem with the security.
Error:
Secure Connection Failed

Your certificate contains the same serial number as another certificate issued by the certificate authority. Please get a new certificate containing a unique serial number.
(Error code: sec_error_reused_issuer_and_serial)

I tryed openvas-mkcert -f


May be the new Version of: iceweasel is the problem.
How to make a exception for the URL: 127.0.0.1:9392 ?
Thanks

sorry forget to restart the Greenbone Security Assistant

or openvas-stop && openvas-start