When you can't open, edit, or delete a file in Windows File Explorer, it's either still open in a program running in the background or something didn't close properly.

When you delete a file from your computer, it doesn’t simply disappear from existence—at least, not right away. Even if you immediately empty the Recycle Bin or Trash folder, all your deletion ...

Files can disappear when the properties are set to "hidden" and File Explorer is not configured to show hidden files. Computer users, programs and malware can edit file properties and set them to ...