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When I try to login I get this. It use to work, but not anymore.
@jakob_hansen please keep an eye on this thread. I will be updating it as soon as we can.I will mark this post as solved so we can concentrate the communication in the thread above.Thank you for report this issue and help us to have each day a stronger community.
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I've seen others reported the same error in the community. The qlik support has written that they are looking into this and will report back to the community when they have a solution.
Check out the Qlik Support Alert
If you have access to a Qlik Sense Enterprise server then you can configure client authenticatio and use this instead of qlik Account authentication.
It is an good idea to implement this as it will become necessary if you want to use QS Desktop after 30 June 2020.