I am running the IST Update 8/4/08 update with the build date of 7/02/08. I have been using the program for a number of years now. I was going in to edit a BOM for a board and noticed that the line remarks were missing on the parts that had them. I have used this area to list the reference designations for some of the parts on the circuit boards that have many different locations on the board. I started investigating and found that there were about 9 of my boards that this happened to. Some of these BOM's I haven't touched in a number of months, so I know I didn't delete the Remarks. SOme of my other boards are fine.  I am the only user on this system. Has anyone experienced this at all? Is there ANYTHING I can do to try and recover this. I do have backups of the system, but I do not know which file would be specifically for the BOM in order to try and recover it, plus, I am not sure at which point this may have happened. If anyone has any thoughts or suggestions, I would greatly appreciate it.