Ansyswbu.exe Encountered A Problem. A Diagnostic File Has Been Written 📌 📥

The diagnostic file shows std::bad_alloc or memory-related exceptions. Also, you may notice system slowdowns before the crash.

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

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. Crash occurs when rotating

Multiple users on the same machine experience the crash. Even simple operations cause failure. If you encounter this error repeatedly despite following

Crash occurs when rotating, zooming, or generating mesh previews. Diagnostic file may show OpenGL error or EXCEPTION_ACCESS_VIOLATION with graphics-related stack traces.