Broken partition cannot be deleted formatted or resized

I have this broken partition on my computer. If I open it in the disk administrator it says that it is formatted. The problem is that it isn't formatted correctly and that I can't read it, change it's properties or delete it. If I try to do anything with it the tool says that the file is not found. I really want to delete it to get the space back. What can I do? The problem is likely that my...