Ensure you are not running the project from a restricted network drive or a cloud-synced folder (like OneDrive or Dropbox). Syncing software often "locks" files while ANSYS is trying to write to them, causing a crash. 5. Review the Diagnostic File
The Mechanical interface is graphically intensive. Incompatibility with your GPU drivers is the #1 cause of "ansyswbu.exe" crashes. Ensure you are not running the project from
Also check AppData\Roaming\Ansys\vXXX (where XXX is your version) and consider renaming the version folder to vXXX_old to reset your user preferences. 2. Graphics Card Drivers and Hardware Acceleration Review the Diagnostic File The Mechanical interface is
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 ansyswbu.exe will fail to launch.
ANSYS relies heavily on temporary scratch space. If these folders become bloated or contain corrupted data from a previous crash, ansyswbu.exe will fail to launch.