The Mechanical interface is graphically intensive. Incompatibility with your GPU drivers is the #1 cause of "ansyswbu.exe" crashes.
Run the ANSYS Product Improvement Tool or use the Uninstall/Repair option from the Control Panel. Ensure that your Anti-Virus isn't flagging ansyswbu.exe as a false positive. Summary Checklist Reset User Prefs: Rename the %AppData%\Ansys folder. GPU Check: Update drivers and set to High Performance.
To see if the GPU is the culprit, try launching ANSYS in "Software Rendering" mode by adjusting the display settings in the Workbench CAD Configuration Manager. 3. Check for Workspace/Layout Corruption The Mechanical interface is graphically intensive
How to Fix "ansyswbu.exe encountered a problem" in ANSYS Mechanical
Ensure the drive containing your "Project Scratch" directory has at least 50–100GB of free space for large models. Ensure that your Anti-Virus isn't flagging ansyswbu
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
Move the project to a local C: or D: drive; avoid OneDrive. Clean Temp: Clear the %TEMP% directory. To see if the GPU is the culprit,
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.