![I deleted it once, but it's ghost is still there :)](https://i.stack.imgur.com/Tkipb.png)

How can I delete a file that is there but the system says is not there?

![Permissions tab - tried changing it, but it would reset itself automatically](https://i.stack.imgur.com/E0NZh.png)
![This is what happens when I click "Delete"](https://i.stack.imgur.com/mH8eo.png)