Getting more and more annoyed

I am working on moving over to version 7 of Katalon from version 6.

After running into an issue on version 7 and trying to go back to version 6 with the same account on a previously registered version, I now am unable to open it without registering and I get a constant error about username/password wrong.

This is very annoying and more and more want to LEAVE Katalon because of the no care attitude about long time existing customers.

I never un-installed the app, why should it just stop working!!