Below is a comprehensive guide to why this crash occurs and the definitive methods to resolve it. Root Causes of the AnsysWBU.exe Crash
For the average user, this file is nearly unreadable. However, for ANSYS support engineers or experienced analysts, it is the equivalent of a flight data recorder. It distinguishes between a crash caused by bad geometry, insufficient RAM, a corrupt installation, or a genuine solver bug.
How to Fix the "AnsysWBU.exe encountered a problem. A diagnostic file has been written" Error Below is a comprehensive guide to why this
Ansys relies heavily on OpenGL. If you are using an NVIDIA card, download the latest or "Studio" driver (not necessarily the "Game Ready" driver) directly from the NVIDIA website. Tip: Perform a "Clean Installation" of the driver. 2. Clear Temporary Files and Locked Files
Verify licenses
Press Win + R on your keyboard, type , and hit Enter.
or during a calculation ? What is your graphics card ? Knowing this can help determine if this is a known issue. It distinguishes between a crash caused by bad
. Under "Preferred graphics processor," select your high-performance NVIDIA processor and click Ansys Innovation Space Step 3: Fix Conflicting System Files A specific Windows system file, libiomp5md.dll , can sometimes conflict with Ansys. Ansys Innovation Space Navigate to C:\Windows\System32 Search for libiomp5md.dll If found, rename it to libiomp5md.dll.old
"AnsysWBU.exe encountered a problem. A diagnostic file has been written" If you are using an NVIDIA card, download
Restart Workbench; this forces the software to reconstruct a clean profile.
