Go to the file and close it, or close the app that is using it. Then delete.
It could mean you're trying to delete a system file that is being used or you may have it opened in another window.
Delete them by opening the file clicking file then delete other way is finding the file on your hard drive not clicking left to open but right then click the delete option.
i want remove information what can i do.
Go on to delete
When a deletion is made from a FAT (File Allocation Table), it is not actually deleted from the computer. It remains in the computer, but not accessible until other data takes its place.
Go to your PS2 main menu (the place that shows up as soon as you turn the system on) and delete the file off your memory card.
A Unix memory dump is usually placed in a file called 'core'. You merely delete the file with the 'rm' command, as you would any other file on the system. For Linux/Unix on the mainframe, the file is called CEEDUMP (if the C plus plus runtime LE library is being used), and you delete it the same way.
Just delete it as you would any other file.
Your computer must have catagorized it as something hidden and put it in that place.
This really depends on the file. If you have a useless malicious file, such as a infected downloaded file, that has no system importance, then yes, it would be recommended to delete that file. However if it is a infected system file or other important file DON'T delete it. Leave it in the virus chest and see if it is possible to repair it.
how to delete a file using keyboard
Navigate to the file and click the Delete File link