Quick Fix: Cannot Delete File In Use?

I am testing a PowerShell script to delete files based on age, as Acronis ‘Backup Location CleanUp’ seems hopeless at this task on this particular network – seems to work ok on others.

I found a neat little script here, http://gallery.technet.microsoft.com/Delete-files-older-than-x

It was working, but failing to delete one file in particular giving me the error that the file was in use. Read more of this post