What you need to do:
Create a Loop Back Adapter which makes Qlik Sense 3.0 always connect to network no matter you are in any network or not , but Qlik Sense 3.0 will work fine.
Steps are below to create Loop Back Adapter:
Run => write command hdwwiz => advanced => Network Adapter => Microsoft => MS KM TST Loop Back Adapter => Next and Done.
Qlik Sense will work always with network or without network.