Delete recent files on realplayer

Do you have a private movie? Such as xxxand do you want others to see it in your real player most recently played clips then follow my step
1. Open Xplore
2. Turn caps off
3. Go to C:\private
4. Find mediaplayer.dat
5. Delete it
1. Open your public movie, such as funny or family clips (with real player)2. Close it, n open xplore agai
3. Find mediaplayer.dat
4. File - Set Atributes, mark READ ONLY