Remove Windows Live OneCare file

I am trying to delete a "Live OneCare Backup" from my external hard drive. The file was created by a PC using XP Media Center 2005, SP2, or possibly SP3. I am accessing that external hard drive using my laptop with Win 7 Pro (64 bit). Everytime I try

removing the file, an "Access Denied" error appears. Alternatively, I get a message that says "You need Administrator Priveleges, etc."

I have tried: 1) changing the file permissions. I get no error message, but the file still won't delete. 2) I have tried the instructions in MS Article ID: 943904 "How to delete a Windows Live OneCare Backup file," and that didn't work.

Below, is a copy of the command-line window after my last attempt at using the "Iacls" command:

G:>Icacls G:"Windows OneCare Backup" /t

G:Windows OneCare Backup BUILTINAdministrators:(OI)(CI)(F)

Terry-HPTerry:(OI)(CI)(F)

Terry-HPHomeUsers:(OI)(CI)(F)

G:Windows OneCare BackupYOUR-45C550F850: Access is denied.

Successfully processed 1 files Failed processing 1 files

G:>

I know that Windows Live OneCare is no longer supported, but hope that someone can help me with this.

Thanks, Terry

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