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: Temporarily disable your antivirus or firewall to see if it is blocking ansyswbu.exe from executing scripts. Diagnostic File Location
In Workbench, right-click on the Model or Results cell of your system and select Reset Setup . Note that this might revert some local display settings, but it often bypasses the crash. 4. Space and Permissions Issues
The error is one of the most common and frustrating crashes in ANSYS Workbench. It signifies that the main Workbench user interface executable ( ansyswbu.exe ) unceremoniously crashed.
If you recently updated your driver, – newer isn’t always better for ANSYS.
Elias was a structural engineer, and the simulation running on his workstation was the digital stress test for a new bridge design. If the math held, the city got a landmark. If it failed, he went back to the drawing board for the sixth time this month. : Temporarily disable your antivirus or firewall to
If you are under a tight deadline and the error persists, consider two immediate workarounds:
Outdated or unsupported graphics drivers often cause startup crashes. Ansys Innovation Space Update Drivers
If you are facing this error right now, try these quick steps in order:
reset your user profile or adjust graphics and directory settings Ansys Innovation Space 1. Reset Your Ansys User Profile If you recently updated your driver, – newer
If you've exhausted all the solutions in this guide:
Follow these steps in order. Test after each step to see if the error resolves.
Ansys depends on specific C++ libraries to communicate with its solvers. Open > Programs and Features .
Unsupported or outdated graphics drivers often cause UI crashes in AnsysWBU.exe . Check your primary graphics card using the dxdiag command. atiglxx.dll (AMD driver)
Because this is a generic crash signature, the root cause can range from corrupted user preferences to deep-seated graphics driver conflicts. 1. Quick Wins: The Most Common Fixes
Tools like CAD link interfaces (SolidWorks, Inventor, Creo) or custom ACT (ANSYS Customization Toolkit) extensions may have version mismatches that destabilize Workbench.
If the log mentions a specific file like nvoglv64.dll (NVIDIA driver), atiglxx.dll (AMD driver), or a specific CAD plugin, you immediately know which software component requires updating or disabling. 4. Fix Prerequisites and Frameworks (.NET and C++)
When Ansys Workbench ( AnsysWBU.exe ) crashes unexpectedly, it generates a .dmp (dump) file—often found in the %temp% directory—to help diagnose the root cause. However, the message itself rarely explains why the crash occurred. Common causes range from graphics driver conflicts and corrupted user profiles to insufficient solver memory or licensing issues.
Outdated or corrupt graphics drivers are a prime suspect. Visit your graphics card manufacturer's website (NVIDIA, AMD, or Intel) to download and install the latest stable driver recommended for professional workstations. For extra safety, you can perform a "clean installation" to remove all traces of the old driver.
Right-click your desktop and open the (or AMD Software). Navigate to Manage 3D Settings > Program Settings .
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