Introduction Few things are more frustrating than losing hours of simulation work to a sudden crash. For users of ANSYS Workbench, one particularly notorious error message stands out: "ansyswbu.exe encountered a problem. A diagnostic file has been written."

Multiple users on the same machine experience the crash. Even simple operations cause failure.

| Keyword | Meaning | |---------|---------| | EXCEPTION_ACCESS_VIOLATION | Memory access issue (often hardware or driver related) | | STACK_OVERFLOW | Infinite recursion or very deep command calls | | Out of memory | Insufficient RAM or virtual memory | | Failed to load DLL | Missing or corrupted dependency | | Graphics driver | GPU-related failure | | Corrupt project file | Issue with .wbpj or .mechdb file |