Ansyswbuexe Encountered A Problem A Diagnostic File Has Been Written New !!top!!

— Use Process Explorer to see if ansyswbuexe is leaking handles (files, threads). Some custom user subroutines (e.g., USERMAT) can cause handle exhaustion after many iterations.

Several factors can contribute to the "Ansyswbuexe encountered a problem a diagnostic file has been written new" error: