Hi,
Run this from the command prompt:
WMIC path win32_process get Caption,Processid,Commandline
This will tell you the args for that process. Users are generally limited in how many app server resources they can consume by configured memory limits, which default to 64mb per js interpreter, so I'd be interested in seeing which subsystem this is.
If you want the immediate fix, set a scheduler to restart the nlserver service every hour
(there's already one that does it every day).
Thanks,
-Jon