Write protected files cant be moved.

anonymous_at_discussions.microsoft.com
Date: 10/25/03 

Date: Sat, 25 Oct 2003 06:12:41 -0700

I need to move some files on my computer. i put them in a
folder on the C: drive and now when i come to move them
out of the folder it says they are write protected or
that the file is in use. The file is not in use so they
must be write protected. How do i move them or even
delete them?