Gui access blocked after upgrade 7.4.9

[marconet-22]

Hi

Fortigate 60F, blocked after upgrade to release 7.4.9.

i can't access via https. Can someone help me to troubleshoot it?

Message: 

Secure Connection Failed

An error occurred during a connection to 172.16.1.1:11443. PR_CONNECT_RESET_ERROR

Error code: PR_CONNECT_RESET_ERROR

• The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
• Please contact the website owners to inform them of this problem.

[marconet-22]

Update:

if i change admin-sport it works!

But port 11443, is default password used any service?