Symptoms

During FlexiCapture installation you could get an error:

Internal program error
D:\Build\TeamAgent\_work\5\s\Awf\Src\ToolBarAwl.cpp, 158.

Cause

This is a known bug that is expected to be fixed with the Release 4 Update 3 Patch 1

Resolution

As a workaround to fix the issue, please switch the Flexicapture language to English:
How to change the FlexiCapture interface language