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.

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.

Clearing the cache of your computer can improve its performance, and here's how you can do it if you're using a Windows 11 operating system.

One reliable open-source tool for securely overwriting and thereby deleting files on a Windows system is the aptly named Eraser. The program can be downloaded for free from various sites.