connectivity/certificate issue

When the launcher starts on macOS, it begins updating, but then two errors appear:
“Could not establish connection to The remote host closed the connection.”
“Could not establish connection to The TLS/SSL connection has been closed.”

It happens on:

  • macOS Catalina with Intel CPU
  • macOS Big Sur with M1 CPU

Launcher is at version 6.5.4 on both machines.

When I googled it, there was an issue like that in 2016 where the server certificates of some download servers were expired.

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