Friedrich,

> Perhaps you are using an old and expired key? Use the one that we sent on
> 1/30/2018. I checked this one minute ago and your key is working fine.

That's the one I used. I just installed the most recent build before
this one and it accepted it as expected.

I even downloaded the installer again to be sure.

================================================== ==========================
SetupBuilder Registration and Maintenance Information
================================================== ==========================
Customer Email......:
.....................:
Product Name........: SetupBuilder Developer Edition
License Type........: 1-user License
Maintenance Status..: Active
Expiry Date.........: February 14, 2019
Serial Number.......: 18...................70

================================================== ==========================
Maintenance and Support Plan ID
================================================== ==========================
2B................................................ ..........................
...........................................3D

Lee White