pgAdmin 4 not opening on new install PostgreSQL 15

" and that is it. I checked the pgsql.conf file and listen_addresses is set to '*' based on Tomasz's recommendation. I am not sure where to go from here. Frank Gunseor

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ect to server, connection timeout expired" error! I would appreciate any and all help. Or point me to a clear resource. Please DO NOT tell me to RTFM because I HAVE done so numerous times. Thank you. Frank Gunseor