It happened again on some other pc
But there is online one File:
AI_RunMsiAsAdmin.log
on both PCs, the user does not have admin rights. With Admin rights everything is fine
<< Advanced Installer (x86) Log >>
OS Version: 6.1.7601 SP1 (workstation) [x64]
# 2019-04-24 14-58-29 [PID=1944|Thread=3476 ...