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Is this a joke or it is all information you have?
Please make some effort to explain problem you have so we can help you more efficiently
well well well..
you are talking about a 2 year old version of NPrinting. In those days we had to follow very strict path in regards to from which version to which version you could upgrade. See articles below - make sure you are logged in with Qlik account on Qlik support portal to see them.
https://support.qlik.com/articles/000050323
The path you have taken seems to be OK as you should be able to upgrade from 17.3 to 17.5. Since it is such a old version and at that stage it was very buggy I cannot tell if the problem you have was a bug or simply if you have done upgrade procedure wrong. There are very specific steps you have to follow (login as an admin account, run setup/ugrade also with elevated privileges etc...
At this stage i suggest you recreate your 17.3 version from backup which i am sure you have done prior upgrade and try again or contact Qlik support to guide you through update if it does not work for you again.
btw - there are no screenshots in your previous posts so maybe try to upload them again!