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

A variation of this approach, using only regsvr32 scrrun.dll , has been independently confirmed by multiple users as a successful fix for the error, even after other methods failed.

This error message strikes a unique psychological chord:

This article explains what the message means, common causes, and a step‑by‑step guide to diagnose and fix the problem when Ansys Workbench (ansyswb.exe / ansyswbuexe) crashes and reports a diagnostic file was written.

Before fixing the error, it is crucial to understand what the error is not . This is not a Windows OS corruption error. It is not a simple “out of memory” warning (though memory can trigger it). This is a fatal crash of the ANSYS solver binary. A variation of this approach, using only regsvr32 scrrun

Test graphics issues

Note the (e.g., 0xc0000374 indicates a heap corruption) and Faulting module name (e.g., ntdll.dll suggests a Windows-level issue) to guide further research or when seeking help from ANSYS support.

The error is one of the most frustrating crashes in Ansys Workbench . This specific crash typically hits users right when they attempt to generate a mesh, open DesignModeler, or load the Mechanical editor. Because AnsysWBU.exe serves as the primary executable layer driving the user interface components of Ansys Mechanical, any underlying failure—ranging from corrupted user profiles to hardware incompatibilities—will trigger this generic windows dump notification. This is not a Windows OS corruption error

The following troubleshooting steps are organized roughly from simplest to most complex.

4.8 ANSYS product bugs or known issues

No single trigger causes this error. Instead, it emerges from several distinct categories of failure. Recognizing which category applies to your case is the first step toward a solution. Test graphics issues Note the (e

Comprehensive Troubleshooting Guide: Resolving the "AnsysWBU.exe encountered a problem. A diagnostic file has been written" Error

Navigate to your local app data by typing %localappdata% in the address bar. Locate the second folder and rename it to Ansys.old .

Please reply with the contents of the last 10-20 lines of the diagnostic file . That will allow for a specific diagnosis of the problem.