Unavailability of the Service Desk Plus server after upgrade to version 9.4.9400. The server does not listen on port 80, 8080

Unavailability of the Service Desk Plus server after upgrade to version 9.4.9400. The server does not listen on port 80, 8080

Hello.

     After upgrading the Service Desk Plus server to version 9.4.9400, the server stopped listening on port 80 (8080). And does not respond to requests from browsers.
     How can I fix this problem?

Sincerely.
Igor Stepanenko.

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