The I386 folder is put there by the computer manufacturer, in place of giving you an XP CD. Should you choose to go to Add/Remove Programs, Windows Components, this is where XP will get its files from.

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Doug Knox, MS-MVP Windows Media Center\Windows Powered Smart Display\Security
Win 95/98/Me/XP Tweaks and Fixes
http://www.dougknox.com
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Per user Group Policy Restrictions for XP Home and XP Pro
http://www.dougknox.com/xp/utils/xp_securityconsole.htm
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"DMallow" <DMallow@discussions.microsoft.com> wrote in message news:E0BB19BC-7987-4FCC-8375-736A1506D00D@microsoft.com...
>I am using XP Home. Recently, I have tried to clean out some of the
> accumulated garbage on my computer (accum over the last 3 yrs). I've noticed
> my " hard drive used space" gets larger and larger, but I ad no programs,
> files, etc. After going thru all the clean up steps I could think of, I
> noticed my 1386 File is HUGE. What is the 1386 File? How can I delete some of
> files without fearing I have deleted a necessary file? Do I even want to
> clean out the file? Any other suggestions?
> --
> DMallow