I get the same message... I have tried the x64, x86, and command line versions
without success.

20:25:13	Error: 	"Connect Error" (-4) after 2 retries at link
<https://redacted.com/robots.txt> (from primary/primary)

20:25:14	Warning: 	Retry after error -4 (Connect Error) at link
<https://redacted.com/> (from primary/primary)

20:25:35	Warning: 	Retry after error -4 (Connect Error) at link
<https://redacted.com/> (from primary/primary)

20:25:56	Error: 	"Connect Error" (-4) after 2 retries at link
<https://redacted.com/> (from primary/primary)

20:25:56	Warning: 	No data seems to have been transferred during this session!
: restoring previous one!