It happened because the window files on that users pc are corrupted and deleted so the user needs to reinstall the windows and then after he should be able to remove that file from his PC.
If the above thing didn't work, follow the following steps.
- Click the start button ,type in cmd then it will show you a command prompt program icon, right click on that and open it by using the administrator rights. Once the program opened then type in chkdsk /f and hit Enter to automatically scan your computer for any corrupted files/ folders upon the restart of the computer.
This will be definitely helpful for you.