sexytanya,
I didn't have any problems with these files. As far as trying to delete them, have you tried restarting your computer and then deleting them. It could be that your PC won't let you delete them because it is confused and thinks they are "in use" by another program.
In general, if people are having problems playing videos, they should check that they have the latest version of
Windows Media Player and also the latest DivX codec and free player available
here.
Good luck. I hope this helps.