May 17, 2018 we published an update that resolves this issue. Here's how to proceed:
- Uninstall Replay Media Catcher by dragging it from the Applications folder to the trash.
- In Finder - from the top menu, click GO > hold the ALT/OPT key > Library > Application Support > Replay Media Catcher and delete that folder.
- Empty trash
- Download the latest version from this page: http://applian.com/mac/replay-media-catcher/download
- Re-boot your mac, then install the file you downloaded above