Ansyswbu.exe Encountered A Problem. A Diagnostic File Has Been Written May 2026

"ansyswbu.exe encountered a problem" is a generic crash message indicating that Ansys Mechanical has stopped working unexpectedly. To resolve this, you typically need to

Corrupted project or license issues

Check the Workbench Log: Before the crash, ANSYS logs its actions. "ansyswbu

file) is generated for technical support to identify the specific line of code that caused the crash. CFD Online 1. Locate the Diagnostic File "ansyswbu