Ilian's [answer to question 72229](https://mathematica.stackexchange.com/a/163131/1063), involves 

```
SetSystemOptions["CatchMachineUnderflow" -> False]

```

Evidently, this worked in earlier versions of Mathematica, but in version "11.3.0 for Microsoft Windows (64-bit) (March 7, 2018)", it does not, returning

> 
> SetSystemOptions::sysname: CatchMachineUnderflow is not a known SystemOption.
> 
> 
> 

Does an alternative exist in the new version of Mathematica?