Lightroom crashes if I'm processing 20 files simultaneously.

I have 32GB of RAM, and am often running PS simultaneously.  Each of my files is around 25-30 Mb.

One shoot can be 100 or more pictures so simultaneous processing is necessary.  

My processor is an I9, and have a 4Tb SSD on a Win10 machine.

Anyone else have this problem? I'm thinking of getting max RAM my machine's capable of - 128Gb.

Any help would be much appreciated.