Ansyswbuexe Encountered A Problem A Diagnostic File Has Been Written New High Quality May 2026

This error is notorious among engineers using ANSYS Workbench (versions 15.0 through 2024). The message indicates that the core solver executable ( ansyswbuexe.exe ) has crashed unexpectedly. The mention of a “diagnostic file” suggests that ANSYS attempted to save crash logs (usually .dmp or .err files), but more often than not, that file is empty or impossible to decipher without ANSYS customer support.

The Intel MPI library conflicts with the Windows network stack or antivirus firewalls. This error is notorious among engineers using ANSYS

ANSYS Workbench uses hardware acceleration. Recent NVIDIA/AMD drivers may introduce memory leaks. The Intel MPI library conflicts with the Windows

Introduction: The Dreaded Crash

The auto-detection of initial contact gap leads to a numerical singularity in the stiffness matrix. but more often than not

ANSYS components (especially the HPC MPI libraries) get corrupted by antivirus software or incomplete updates.