Ansyswbuexe Encountered A Problem A Diagnostic File Has Been Written New

Symptoms: The crash happens immediately after solving begins for an assembly with bonded or frictional contacts.

Why it happens: The auto-detection of initial contact gap leads to a numerical singularity in the stiffness matrix.

Fix:

Based on standard debugging protocols, the failure of ansyswbuexe can usually be attributed to one of the following three categories: Symptoms: The crash happens immediately after solving begins

If this error occurs weekly:

ANSYS Workbench is extremely sensitive to file paths.

  • Network Drives: If you are saving to a network drive (OneDrive, Google Drive, or a university server), try saving it locally to C:\Temp or your Desktop first. Network latency often causes Workbench to crash on startup.

  • Reproduce with logging enabled

  • Attempt the action that caused the crash and copy any output.

  • Test graphics issues

  • If using remote desktop or virtual GPU, try local console session.

  • Check memory and swap

  • Verify licenses

  • Isolate project corruption

  • Disable add‑ins or custom extensions

  • Reinstall or repair Ansys

  • Gather full diagnostics for support

  • When contacting Ansys support, attach the above. Support often requests the diagnostic and log files and may ask for a crash dump.