Ansyswbu.exe Encountered A Problem. A Diagnostic File Has Been Written Page

The crash occurs when opening a specific project, but new projects work fine. Diagnostic file may show XML parsing error or unexpected end of file .

This error typically appears mid-simulation, during mesh generation, or even while simply opening a project. It forces an immediate shutdown of the Workbench user interface (WBU), leaving engineers scrambling to recover unsaved data. While the promise of a "diagnostic file" suggests a straightforward fix, the reality is that the root cause can range from insufficient RAM to corrupted project files, graphics driver conflicts, or licensing issues. The crash occurs when opening a specific project,

The problem started after a security software update. Error may appear inconsistently. It forces an immediate shutdown of the Workbench

Crash occurs when rotating, zooming, or generating mesh previews. Diagnostic file may show OpenGL error or EXCEPTION_ACCESS_VIOLATION with graphics-related stack traces. Error may appear inconsistently

Multiple users on the same machine experience the crash. Even simple operations cause failure.