File Has Been Written New — Ansyswbuexe Encountered A Problem A Diagnostic

From ANSYS 12.0 to the latest 202x releases, this exact string (“ansyswbuexe encountered a problem...”) has remained nearly unchanged. Why?

How to Fix the "AnsysWBU.exe encountered a problem. A diagnostic file has been written" Error

Understanding why AnsysWBU.exe fails helps narrow down the solution quickly:

Ultimately, the ansyswbuexe error is a reminder of the immense complexity involved in engineering simulation. While it serves as a temporary roadblock, it also underscores the importance of robust data management and hardware maintenance. For the user, it is a call to look under the hood of their workstation, ensuring that the bridge between physical theory and digital execution remains stable and secure.

: In Mechanical, navigate to File > Options > Analysis Settings and Solution . Check the Scratch Solver Files Directory and ensure a valid path is selected. From ANSYS 12

Because it is a catch-all message, identifying the specific root cause requires a systematic troubleshooting process. Quick Reference Summary of Causes and Solutions

This .dmp file is a binary file that can be opened with debugging tools (like WinDbg), but it is most useful for ANSYS support. Here are more practical log locations for troubleshooting:

Apply this change in Windows under .

When this crash happens, Ansys automatically generates a diagnostic dump file (usually named AnsysWBDumpFile.dmp ) in your local Windows temporary folder. This comprehensive guide provides actionable, field-tested troubleshooting steps to resolve the error and prevent future project interruptions. Root Causes of the AnsysWBU.exe Error A diagnostic file has been written" Error Understanding

: If you have both integrated and dedicated graphics, ensure Ansys is forced to use the high-performance card (e.g., via the NVIDIA Control Panel).

The error is a generic crash notification in Ansys Workbench, typically occurring when opening Mechanical or DesignModeler . It often points to corrupted user settings, outdated graphics drivers, or file path issues. Primary Troubleshooting Steps

The "Ansyswbuexe encountered a problem a diagnostic file has been written new" error can be frustrating, but by understanding its causes and following the troubleshooting steps outlined in this article, you should be able to resolve the issue and get back to working with ANSYS. If you're still experiencing problems, consider reaching out to ANSYS support or a qualified engineer for further assistance.

ANSYS often names it ansyswbuexe.exe.[timestamp].dmp . If multiple dump files exist with identical timestamps, the crash may be multi-threaded (a race condition). If only one exists, it is likely a deterministic bug. : In Mechanical, navigate to File > Options

When AnsysWBU.exe crashes, the software instantly dumps its state into a diagnostic file—usually named AnsysWBDumpFile.dmp —located in your local configuration folders. The most common culprits behind this behavior include:

If the matrix of equations becomes singular (e.g., insufficient boundary conditions), the solver might attempt to divide by near-zero pivot values. In debug builds or certain solver settings, this triggers an exception rather than a graceful stop.

If you've tried all the above and the error persists, consider seeking help from the ANSYS Learning Forum, where you can upload your .dmp file for analysis. When posting, include your ANSYS version, operating system details, graphics card model, and what steps you've already tried. With persistence and the right approach, you'll likely get back to your simulations.

Sometimes the specific project file is corrupted. Try duplicating the project in Workbench and opening the new version. Check File Paths: