When this process encounters an unhandled exception—such as an access violation, memory leak, or corrupted data stream—it triggers the error and writes a diagnostic file, usually with a .dmp (dump) or .err extension, to your temp directory or project folder.
Locate the diagnostic file
Does the crash happen on startup or only during meshing/solving ?
The Ansys Workbench Utility (ansyswbu.exe) has encountered an issue, resulting in an error message indicating that a diagnostic file has been written. This error suggests that the program experienced a problem during execution, potentially causing data loss or corruption.
If you recently updated your driver, – newer isn’t always better for ANSYS.