The THM1176 Macintosh software has been recompiled with LabVIEW 2018, addressing problems under macOS 10.14 (Mojave). The functionality of the software has not changed.
You can download the new software from the THM1176 Product Page or the Downloads Page. Note that you first have to install updated versions of the LabVIEW and NI-VISA runtime libraries, as described in the instructions.
Also note that the initialization of the instrument may take longer than before, as much as 15 to 20 seconds; the cause of this delay is currently not known.