video files cant be deleted

Hi

I have some video files in one of my folders in drive D:\

now I cant delete them

they were zip files first when i downloaded them from internet

then I unzipped them now I cant rename or cut or delete them.(actually i cant do anything with them.)i really need to rename them.even the copy ones have these problems.

they aren't open in any player. I tried shut down,restart,ownership, deleting from another administrative account. none of them worked.

every time I try, it comes up with this error message window:
here is the message window picture :




please help me.
thanks.

Hi,

Download LockHunter, install and right click on file and select lockhunter,
Should work from there.

Let me know how it goes,

thanks
it worked:)