Ansyswbu.exe Encountered A Problem. A Diagnostic File Has Been Written Access

Remember: The crash is a symptom, not the disease. By systematically applying this guide, you will not only fix the current error but also build a more stable ANSYS environment for future simulations.

If the diagnostic file mentions license errors, the software cannot connect to the license server.

In the Workbench Project Schematic, right-click the or Solution cell.

Search your computer (specifically C:\Windows\System32 ) for libiomp5md.dll . Rename it to libiomp5md.dll.old . Remember: The crash is a symptom, not the disease

If you can open Mechanical but it crashes during a solve, go to File > Options > Analysis Settings and Solution and ensure a valid path is set for the Scratch solver files directory . Reviewing the Diagnostic File

Under , check Scratch Solver Files Directory .

typically occurs when Ansys Mechanical or DesignModeler crashes due to corrupted user profiles, outdated graphics drivers, or system conflicts Ansys Innovation Space 1. Reset User Profiles (Most Common Fix) In the Workbench Project Schematic, right-click the or

Based on similar error reports, the following are potential causes of this issue:

Right-click your Ansys Workbench shortcut and select .

Tools like CAD link interfaces (SolidWorks, Inventor, Creo) or custom ACT (ANSYS Customization Toolkit) extensions may have version mismatches that destabilize Workbench. If you can open Mechanical but it crashes

This error is frustrating because it’s generic, but 90% of the time it’s . Switching to software rendering (Fix #2) gets most people back to work in minutes.

%TEMP%\ansys_<username>_<processID>.dmp

Fixing the Ansys Workbench Crash: "ansyswbu.exe encountered a problem"

Lack of virtual memory or disk space to handle temporary solver files. CFD Online 3. Immediate Solutions to Try Reset User Settings (Most Successful Fix): Close all Ansys applications. Navigate to and rename the Navigate to and rename the .ansys_old