[teecweb]

Eh puesto asi y retorna vacio es decir entra al else

Código Delphi [-]
[code]
procedure InitializeWizard();
var
  Country: String;
begin
  if RegQueryStringValue(HKEY_LOCAL_MACHINE, 'SOFTWARE\MICROSOFT\WINDOWS\UNNISTALL\MozillaMaintenanceService','UninstallString', Country) then
  begin
    // Successfully read the value
    MsgBox('Your country: ' + Country, mbInformation, MB_OK);
  end
  else
  begin
   MsgBox('Your country: ' , mbInformation, MB_OK);
    
  end;
end;