Ansyswbu.exe Encountered A Problem. A Diagnostic File Has Been Written < PREMIUM – 2025 >

"ansyswbu.exe encountered a problem. A diagnostic file has been written"

• Update: Visit your graphics card manufacturer’s website (NVIDIA, AMD, or Intel) and download the latest "Studio" or "Enterprise" drivers, rather than "Game Ready" drivers, as these are optimized for CAD

• Open the diagnostic/log file in a text editor and look for lines with "ERROR", "EXCEPTION", "ACCESS_VIOLATION", or module names (DLLs) mentioned. Note any specific error code or missing DLL.

Why it happens:

Workbench uses OpenGL for rendering 3D models in Mechanical, Meshing, and DesignModeler. Outdated or corrupt GPU drivers are one of the leading causes of ansyswbu.exe crashes. "ansyswbu

If the solver completed, you can often reload the results into a new Workbench project. Open the diagnostic/log file in a text editor

Insufficient Resources

: A lack of virtual memory or disk space can cause the ansyswbu.exe process to terminate during heavy computations. rather than "Game Ready" drivers

The diagnostic file mentioned in the error message is typically written to your Windows temporary folder (e.g., %temp% ). While the file itself is highly technical, the error generally stems from one of the following:

1.5× your RAM

If your analysis is large, Windows may run out of page file space. Set custom paging file size to (e.g., 32 GB RAM → 48 GB min/max).

"ansyswbu.exe encountered a problem. A diagnostic file has been written."

This guide is designed to help you resolve the crash error: