— In a particularly obscure but well-documented case, users with MSI laptops discovered that the "Nahimic" audio service, when set to autostart, was causing the crash. Disabling Nahimic from startup resolved the issue.
Corrupted settings in the AppData folder are the most frequent cause. Resetting them forces Ansys to create clean default files. SimuTech Group AnsysWBU.exe encountered a problem
If none of the above works, it is time to open a support ticket. To get a fast resolution, do not just say “I get a diagnostic file error.” Instead, provide:
Follow these troubleshooting steps in order, from the simplest and most common solutions to the more advanced ones. — In a particularly obscure but well-documented case,
Exceeding standard Windows 248-character file thresholds or using non-ASCII syntax symbols.
is a generic crash message often caused by corrupted user settings, outdated graphics drivers, or conflicting system files. Ansys Innovation Space Step 1: Reset User Application Data (Most Common Fix)
Acknowledgements This paper synthesizes practical troubleshooting experience for graphical/engine simulation software and recommended enterprise IT practices to harden engineering workstations and streamline diagnostics. Resetting them forces Ansys to create clean default files
: Save your project on a local drive rather than a cloud-synced folder (like OneDrive) to prevent file-locking conflicts.
"AnsysWBU.exe encountered a problem. A diagnostic file has been written"
Go to the manufacturer’s website and download the latest Workstation (Enterprise) drivers rather than "Game Ready" drivers. — Before rerunning
— Before rerunning, manually delete the project’s .lock and .solve folders. Windows sometimes holds onto files even after a crash.
ANSYS components (especially the HPC MPI libraries) get corrupted by antivirus software or incomplete updates.
The error occurs when the executable ( ansyswbu.exe ) crashes. The "diagnostic file" ( AnsysWBDumpFile.dmp ) is a technical log intended for developers to debug the code, though it is rarely useful for end-users. Top 5 Solutions to Fix the Crash 1. Reset the Ansys User Profile (Most Successful)