Query engine doesn't to start on Windows

[goport(c:/Program Files/Couchbase/Server/bin/cbq-engine)] 2018/02/19 09:43:00 child process exited with status 1

_time=2018-02-19T09:43:05.331-08:00 _level=INFO _msg= Initialization of cbauth succeeded  

_time=2018-02-19T09:43:05.343-08:00 _level=INFO _msg=New store created with url http://127.0.0.1:8091 

_time=2018-02-19T09:43:05.343-08:00 _level=INFO _msg=pollEOF: About to start stdin polling 

_time=2018-02-19T09:43:05.345-08:00 _level=INFO _msg=cbq-engine started request-cap=256 request-size-cap=67108864 n1ql_feat_cntrl=0 servicers=192 max-concurrency=48 loglevel=INFO plus-servicers=768 pipeline-batch=16 version=2.0.0-N1QL datastore=http://127.0.0.1:8091 scan-cap=512 pipeline-cap=512 max-index-api=3 timeout=0s 

_time=2018-02-19T09:43:05.345-08:00 _level=INFO _msg= Certificates have been refreshed by ns server  

_time=2018-02-19T09:43:05.345-08:00 _level=INFO _msg=HttpEndpoint: Listen Address=[::]:8093 

_time=2018-02-19T09:43:05.346-08:00 _level=INFO _msg=HttpEndpoint: ListenTLS Address=[::]:18093 

_time=2018-02-19T09:43:05.346-08:00 _level=ERROR _msg=cbq-engine exiting with error error=listen tcp :18093: bind: Only one usage of each socket address (protocol/network address/port) is normally permitted. HTTPS_ADDR=:18093