I ran disk defrag and when it was finished, it told me I have a file that could not be defragmented. I don't need the file anymore, so I figured I would just delete the folder and file. It is located directly under C drive so I searched for that folder, but I can't find it. I did a thorough search (using Windows Explorer) including system folders and hidden files and folders. Nothing comes up. When i try to create a folder of the same name in the c drive it says the folder already exists. The folder occupies around 700mb from my 40 gb hard disk which i cant afford.