If you need assistance with specific aspects of your configuration, let me know: What version are you running?
If you want, I can:
Control Panel → Programs and Features → HelixFTR Player → Uninstall. Then manually delete %APPDATA%\HelixFTR to remove saved preferences.
Open the Windows Sound Control Panel and verify that your headset is set as the "Default Device." Inside the HelixFTR Player, verify the correct playback device is selected in the options menu. If the file opens but shows no waveform, the source file may be corrupted or encrypted by the court system, requiring a specific digital certificate to open. Best Practices for Using HelixFTR Player
If the download is a ZIP file, right-click it and select .
HelixFTR (sometimes stylized as HelixFTR Player) is an open-source fork of the classic Helix DNA player. It integrates modern codecs (H.265, VP9, AV1), advanced subtitle rendering, and network streaming protocols (HLS, RTMP, SMB). Unlike bloated commercial players, HelixFTR is lightweight, privacy-focused, and does not bundle adware.