Hi and welcome to the site. :-)
First off, you may not know this, but typing in all caps is considered "yelling" at someone online, so it's best to reserve that for when you really do mean to yell at someone. :wink:
It sounds like you may have some phantom files on there that are taking up space, but File Explorer can't see them. I suggest you download this application:
http://www.cnetx.com/format/download.asp
Use it to format your memory card, then have another look - I think it will solve the problem.