Just to be sure - you are not able to login with the new StandardID, i.e. ad@...?
What if you try logging in with the old one - ak@...? Does this work?
Hello,
We also have a customer on windows who is on 2026-02-28 having the exact same error message after updating.
The title of the messagebox is in our case is: "C:\Program Files(x86)\Han...