If you can't delete an ISO file as the file is open in your System, check if it is mounted as a drive or not. Uses these proven fixes to resolve the issue.

How to delete a file being used by another program Here are some practical ways to dodge the pop-up and delete files that are in use by a program on your Windows PC.

If you cannot delete a file or a folder on an NTFS file system volume in Windows, follow the solutions mentioned in this post to resolve the issue.

Windows won't let you delete, move, or rename a file if a program is using it. Frustratingly, it also won't tell you which program is using the file so that you can solve the problem.

Meeting DoD standards for securely deleting files in Windows 11 requires the use of a special application. Fortunately, Microsoft provides one for free in Sysinternals.

Then I typed "fsutil reparsepoint delete <file name>" (without the quotes) then hit enter. I was then able to go back to the file and delete it normally. Not open for further replies.

Duplicate-file-finding programs expect you to manually check each file for deletion. That's not practical for Edward Derbyshire, who has "121,000 duplicates" to delete.