Ansyswbu.exe Encountered A Problem. A Diagnostic File Has Been Written May 2026

That message means ANSYS (ansyswbu.exe) crashed and wrote a diagnostic (crash) file. Try these steps to diagnose and fix it:

%temp%   (type this into File Explorer)

Step 6: Installation Repair

If none of the above works, the installation itself may be corrupted. That message means ANSYS (ansyswbu

Common Causes:

• The diagnostic/log/dump file(s)
• The ANSYS project files (or a minimal reproducible case)
• ANSYS version/patch, OS version, RAM, GPU model, and license server info

ANSYS creates massive files during the solution phase. If your drive runs out of space, the executable will simply terminate. Step 6: Installation Repair If none of the

If the crash is related to a COM Exception, you can manually re-register critical components via the Command Prompt (Admin): Run the following commands: regsvr32 vbscript.dll regsvr32 jscript.dll regsvr32 %systemroot%\system32\scrrun.dll 4. Project-Level Fixes If the error only happens with a specific file: The diagnostic/log/dump file(s) The ANSYS project files (or