We have used your "ssllabs-scan.exe" for months and it provided the test results correctly. However, lately, it is now aborting with the message below. Please provide ideas on how to resolve this issue.
[ERROR] HTTP request failed: Get
tcp a.b.c.d:52614->18.104.22.168:443: wsarecv: An existing connection was
forcibly closed by the remote host. (ref#2)