App Doesn’t Work with Yosemite

I just downloaded this App and after recording 3 or 4 videos, I’m ready to delete the App. It says its recording and records the sound just fine, but at best, I can only get it to show 8 seconds of actual video playback before the image of the video freezes. The sound continues as it should but the App won’t capture any of what is happening on the screen. I’m hoping its just a malfunction for Yosemite and I guess i will just have to wait for an updated version.

Truk31 about Screen Record Utility