You could have at some point got this common error message flashing on your computer screen while opening a file - Cannot delete file: Access is denied and The source or destination file may in be use. Possible reason for this, Files might have got lockdown or infected with some kind of malware.

MalwareBytes FileASSASSIN can help you open these files or remove them from your computer, if necessary. The little tool lets PC users delete locked files that contain malware on their computer. You simply need to click and drag the files to unlock them.