Encountered A Problem A Diagnostic File Has Been Written New - Ansyswbuexe
ANSYS components (especially the HPC MPI libraries) get corrupted by antivirus software or incomplete updates.
Dual-GPU laptops (Intel/AMD integrated graphics combined with an Nvidia dedicated card) often trigger this crash due to automatic graphics switching failures. You must force ANSYS to use the high-performance dedicated graphics processor.
Comprehensive Troubleshooting Guide: Resolving the "AnsysWBU.exe encountered a problem. A diagnostic file has been written" Error ANSYS components (especially the HPC MPI libraries) get
Complete close out of all active or related processes via your Windows Task Manager.
If the installation is corrupted, it can cause frequent crashes. Go to > Programs and Features . Locate the Ansys installation. Right-click and select Uninstall/Change > Repair . How to Utilize the Diagnostic File Comprehensive Troubleshooting Guide: Resolving the "AnsysWBU
Create a new, simple static structural analysis (e.g., a cantilever beam with a single load). If that solves, the problem is model-specific. If it also crashes, the problem is environmental (software, drivers, or hardware).
If the quick fixes do not work, consider these environment-specific adjustments: Go to > Programs and Features
The crash happens at the same simulation step (e.g., writing the sparse matrix). Your system RAM is high (16GB+) but the error persists.