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

Right-click the Solution cell in the project schematic and select "Clear Generated Data" before trying to reopen Mechanical. 5. Advanced Fixes

ansyswbu.exe is the core executable for . When it crashes, the entire Workbench environment closes. The “diagnostic file” it mentions is usually a .dmp or .err file written to your temp folder (e.g., %temp% ), but it’s rarely human-readable.

If the crash persists, from the diagnostic file — that usually pinpoints the root cause (e.g., nvoglv64.dll → NVIDIA driver issue; libansys.dll → corrupted installation).

) and ensure Ansys is set to use the high-performance processor. Ansys Innovation Space 3. Check Scratch Solver Directory