Can-t-authenticate-WL-6-9-The-request-failed-with-an-empty-response

The following error occurs during authentication:

OS: Microsoft Windows NT 6.2.9200.0
UTC: 2021-03-22T21:42:24.7008677Z
Command Line: "C:\Program Files (x86)\MS123\Wealth-Lab Developer 6\WealthLabDev.exe"
Product Name: Wealth-Lab Developer 6
Version: 6.9.23.1
Auth Mode: FromApplication
First Name: CAIO
Last Name: ALLGAYER
Activation Key: ...
PC Fingerprint: PG6JD-MQ2AQ-UMWFT-A23HX
PC Name: DESKTOP-COVBINC
Error: Exception - Falha na solicitação com resposta vazia.