When I run the newly released FTB Beyond pack the java crashes when it gets to "Initializing mods Phase 2, Initialization - RFTools"

I stripped out all mods besides RFTools and still encounter the issue. I loaded it up on my sons machine and it works fine. I suspect the issue isn't on your end but I had hoped you might have some insight. Log file hasn't been much help since it's actually killing the java instance.

Final entry from the log:
[20:11:28] [Client thread/TRACE] [rftools/rftools]: Sending event FMLInitializationEvent to mod rftools

Game loaded (with error message) if I loaded with compatlayer, mcjtylib, and rftoolsctrl. Breaks when I add RFTools back in.

Edit: Just found that it does the same thing in another modpack called All the Mods 2. Also, I should probably note that I've tried with the latest java 64bit as well as whatever Curse uses for the native.

Edit2: This was due to an Nvidia driver update that I needed. All good now.