Hi everyone.

I've already tried to install TIA Portal v17 and I've faced MSI fail initialization failed message as well. I followed siemens recommendation which siemens installer cache manager to chase the problem but It didn't find any issue in msi.

Thanks for your help.

------------------------------------------------------------------------------------------
Split from Install TIA PORTAL v 15.1: MSI file initialization failed: ERROR_OPEN_FAILED.

Hi sh-auto,