If you encounter this error repeatedly despite following the steps above, consider evaluating your workstation specifications against ANSYS’s hardware requirements, and ensure you are running a certified graphics driver configuration. Simulation stability begins with a stable foundation. Last updated: For ANSYS Workbench releases 2022 R1 through 2025 R1. Always consult the ANSYS Customer Portal for release-specific known issues and hotfixes.
If you cannot interpret the file, save it and contact ANSYS Support—they will ask for it. 1. Insufficient System Memory (RAM / Virtual Memory) Why it happens: ANSYS Workbench can consume 8-32 GB of RAM depending on model size. When memory runs out, ansyswbu.exe crashes when trying to allocate additional space—for example, when updating a mesh or refreshing a result. If you encounter this error repeatedly despite following
The diagnostic file shows std::bad_alloc or memory-related exceptions. Also, you may notice system slowdowns before the crash. Insufficient System Memory (RAM / Virtual Memory) Why