MsiDisableEmbeddedUI
If this per-machine system policy is set to 1, the capability to use embedded UI is disabled on the computer. The default value is 0, which enables the embedded UI handlers capability.
To disable the embedded UI for a single package, you can use the MSIDISABLEEEUI property.
Windows Installer 4.0 and earlier: Not supported. This function is available beginning with Windows Installer 4.5.
Registry Key
HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Installer
Data Type
REG_DWORD