Ansyswbu.exe Encountered A Problem. A Diagnostic File Has Been Written ((full)) File
The error is rarely due to a single issue. Instead, it stems from a combination of software configuration, hardware limitations, and user actions. The most frequent culprits include:
typically occurs when Ansys Mechanical or DesignModeler crashes due to corrupted user profiles, outdated graphics drivers, or system conflicts Ansys Innovation Space 1. Reset User Profiles (Most Common Fix)
Corrupted user-specific settings are a very common cause. Resetting them is a powerful fix:
If the crash happens when importing geometry: The error is rarely due to a single issue
Type %temp% in the address bar and look for files named ansys or similar, and delete/rename them.
Knowing these details will allow us to pinpoint the exact fix for your setup. Share public link
If this error started occurring immediately after a Windows quality update, consider pausing updates and rolling back the latest installation via Settings > Update & Security > View update history > Uninstall updates . 4. Fix Local Workspace and File Path Issues Share public link If this error started occurring
Navigate to your temporary file directory. By default, ANSYS writes crash dumps here: C:\Users\<YourUsername>\AppData\Local\Temp\ Look for files named ansyswbu_crash_dump.dmp or similar .log files generated at the time of the crash.
def archive_diagnostic(src_diag, dest_folder): """Copy diagnostic file with timestamp.""" if os.path.exists(src_diag): timestamp = datetime.now().strftime("%Y%m%d_%H%M%S") dest = os.path.join(dest_folder, f"crash_timestamp.dmp") shutil.copy2(src_diag, dest) print(f"Diagnostic archived to dest") return dest return None
: If the log mentions a file like nvoglv64.dll (NVIDIA) or atio6xx.dll (AMD), your graphics driver is definitively causing the crash. 5. Advanced Troubleshooting Steps let me know:
: Temporary user settings in the %APPDATA% or %TEMP% folders can become corrupted after system updates or unexpected shutdowns.
A specific Windows library file often causes this crash in newer versions of Ansys. Ansys Innovation Space Locate the file libiomp5md.dll C:\Windows\System32 Rename it to libiomp5md.dll.old
To help narrow down the exact cause for your system, let me know:
