RRReplay Tapes

I cannot seem to play my past games that i have saved. i know where the file is it is under replay and i can see them but when i click on them it says cannot open file and my computer doesnt know which file to open it as and i dont know what to do. so i would be very greatful if someone can help i want to make a youtube video that can help many people frustrated with this game(trust me it wwill be good)