pokud se při instalaci MSI balíčku na Windows objeví hláška: “ The system administrator has set policies to prevent this installation „, pak máme na výběr např tyto možnosti:

1. command promt as an administrator and running:
   msiexec /a install.msi
2. nebo trvale:
   HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Installer. (If the Installer subkey doesn’t exist, you have to create it first. Double-click the 32-bit DWORD DisableMSI in the right pane) and set the value to 2.