Have you checked that your Qlik Sense server is aware of your user? It could be that active directory has not been configured correctly for your Qlik Sense Server. To check this, go to the QMC (https://mycomputername/qmc/) then click on "Users" under "Manage Content" in the list on the left hand side (or go to https://mycomputername/qmc/users). You should be able to find your user in the list on that page together with its user directory. If it's not there, then you should check out the "User directory connections" under "Manage resources" in the QMC (https://mycomputername/qmc/userdirectoryconnectors).
Hope it helps!
well we still have the issue with your server. My guess is that there is some configuration missing in the QMC.
To help you out here I need to know more about your environment.
Is your workstation a part of a Windows Domain?
Is your server a part of that Windows domain?
Have you loaded all the AD-users to the qlik sense server or only defined your user?
If you only defined your own user is that the domain\user?
When you open the hub do you get cerificate warnings?