In this post, you’ll learn more about the Error COMADMIN_E_PARTITION_MSI_ONLY – 0x80110819 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
COMADMIN_E_PARTITION_MSI_ONLY – 0x80110819
Win32 COM Error Error Description
Only Application Files (*.MSI files) can be installed into partitions.