Written Better - Ansyswbu.exe Encountered A Problem. A Diagnostic File Has Been
Workbench periodically checks out licenses for different components. If the license server becomes unreachable or returns an unexpected response, the UI may crash.
Corrupted project or license issues
Under , verify that a valid local path is selected for the Scratch solver files directory . Project Maintenance :
Complex geometric topology containing microscopic sliver surfaces, zero-thickness edges, or faulty CAD kernel translations frequently overwhelms the ansyswbu.exe meshing parser. Temporarily disable your antivirus software
Not just an uninstall—a clean removal:
If you cannot interpret the file, save it and contact ANSYS Support—they will ask for it.
Manually delete the residual folders in C:\Program Files\ANSYS Inc . Temporarily disable your antivirus software. pat in patterns.items(): match = re.search(pat
Check your scratch directory. If your drive is full, ansyswbu.exe cannot write the temporary files needed to keep the GUI synced with the solver. 5. Antivirus and Permissions
Rename this folder to Ansys_OLD . (Do not delete it, so you can preserve older settings if needed). Restart ANSYS Workbench and try opening Mechanical again. 2. Update or Configure Graphics Drivers
Navigate to that folder in Windows File Explorer, locate the .wbjn related folders, and clear out the _ProjectScratch directory. Nvidia and Intel)
Run the Microsoft .NET Framework Repair Tool to fix broken runtime dependencies. Executive Privileges
By learning to locate and interpret the diagnostic file, following the structured troubleshooting workflow, and implementing preventive practices, you can reduce crash frequency and recover quickly when failures occur. Remember that ANSYS, Inc. provides excellent support when provided with the diagnostic files—so never delete them immediately.
C:\Users\ \AppData\Local\Temp\AnsysWBDumpFile.dmp How to read it:
Ensure your GPU driver is up to date. If you have dual graphics (e.g., Nvidia and Intel), use the Nvidia Control Panel to force Ansys to use the High-performance NVIDIA processor Check Scratch Directory: In Mechanical, go to File > Options > Analysis Settings and Solution . Ensure a valid path is set for the Scratch solver files directory Environment Variable Fix: Add a new system variable named ANS_OLD_ATTACH with a value of Advanced System Settings Ansys Innovation Space 4. How to Report the Problem
results = {} for key, pat in patterns.items(): match = re.search(pat, content, re.DOTALL | re.IGNORECASE) if match: results[key] = match.group(1).strip()