SecureAccess Vault deleted itself?

This just happened to me as well. I was on my pc at work; it worked one second and the next it didn’t.  The files are all there–you can see them in data and it still says that 75% of the disk is being used–but you can’t access them.  “My Vault” has disappeared, as has the menu bar at the top of the screen.  It just shows everything from an outside perspective, including the drive itself, but can’t access anything internally.