"This advertised application will not be installed because it might be unsafe. Contact your administrator to change the installation user interface option of the package to basic"

If a user receives the above message when attempting to install, open the command window (run cmd.exe in Windows) and input the following: 
 

msiexec /i <fullpath>/mxservice.msi /qb  or   MsiExec.exe /I <fullpath>/mxservice.msi REINSTALLMODE=voums REINSTALL=ALL