Turn off UAC via registry
To be sure that UAC is disable, make the configuration in registry HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System EnableLUA = Dword 0
Some notes from work
To be sure that UAC is disable, make the configuration in registry HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System EnableLUA = Dword 0