ProTools HD, LE, M-Powered and Academic version 7.3 now has an update to v 7.3.1 available at www.digidesign.com
This update fixes some very rare issues that could result in data loss. In some cases after saving, closing then reopening a session, regions were missing or in the wrong location in the timeline.

Pro Tools 7.3.1 also fixes other rare issues including audio and video being out of sync when bouncing to Quicktime movie, snaps and distortion when using CoreAudio on Intel-based Macs, and other issues. A complete listing of fixes is listed for each udpate at the website listed above.

In order to avoid problems, Digidesign recommends that all Pro Tools 7.3 users update to 7.3.1 immediately.