Help on : (111) Connection refused

[#1]

Hello, when I want to log on Qlik sense desktop I get the error indicated below, I hope someone can help me.

ERROR

The requested URL could not get

http: the following error when trying to retrieve the URL is found // localhost: 4848 / hub

:: 1 connection failed.

The system returned: (111) Connection refused

The remote host or network has been dropped. Please try again the request.

Your cache administrator is webmaster.

[korsikov]

i'm think need disable ipv6 and try again. or open hostname/hub