while adding titles & artists, Vista erases

I have a new computer with Windows Vista and am digitizing audio files from

cassette tapes. When adding titles and artists to several files, a number of

times now, the computer will start to alphebetize the list before I am

finished, then starts to erase all of the data that i have entered. I still

have the files though. I reboot the computer, and can then save a few

entries, then have to reboot again to save a few more entries. Is There any

solution to this kind of problem??