This challnege is End of Support [Adobe Flash Player](https://blogs.windows.com/msedgedev/2020/09/04/update-adobe-flash-end-support/) file.Run chalenge file round up **Goodbye old friend**[窓の杜](https://forest.watch.impress.co.jp/library/software/hugflash/) (WINDOWS FOREST) use extract Flash file.Run **hug flash** and  **drag-and-drop** **goodbye** to extract file and you will see goodbye folder.In the goodbye directory **goodbye.log** in the Flag.