The Mechanical interface is graphically intensive. Incompatibility with your GPU drivers is the #1 cause of "ansyswbu.exe" crashes.

Ensure the drive containing your "Project Scratch" directory has at least 50–100GB of free space for large models.

Sometimes the saved "view" or window layout of Mechanical gets corrupted.

Ensure you are using the latest "Enterprise" or "Workstation" drivers if you have an NVIDIA Quadro or AMD Radeon Pro card.

If you are working in ANSYS Workbench and suddenly see a popup stating you aren't alone. This is a generic crash error for the Mechanical application (ansyswbu.exe). It essentially means the software stopped unexpectedly, often leaving behind a .dmp or .log file in your project folder. 1. Clear Your Temporary Files