What are these Directories????

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I am running XPHome SP1 which was upgraded to SP2 by downloading and
applying the 266 meg file ?Windows XP Service Pack 2 for IT
Professionals and Developers?. I keep my HD clean by doing many house
cleaning routines including running Doug Knox?s
xp_remove_hotfix_backup.exe which removes the installation files
left over from doing MS Critical and Suggested Updates (after running
the fixes/updates for a few days to make sure they don?t need to be
uninstalled).

However, I have ended up with three directories under my Windows
directory that Doug Knox?s utility does not see. They are Read-Only,
Hidden & Compressed directories:
$hf_mig$ containing 26 directories named KBxxxxxx
$MSI31Uninstall_KB893803$ containing 1 directory and 108 files
$MSI31Uninstall_KB893803v2$ containing 1 directory and 114 files

I also have one Mammoth directory under my Windows directory called:
ServicePackFiles\i386 containing 1 directory and 2122 files

I don?t really need the HD space but like I said, I like to keep a
clean ship and besides, when doing a Ghost backup to DVD?s, these 4
directories takes an additional DVD to get the whole HD backed up.

Questions are:
1. What is each one of these directories purpose?
2. Is the ServicePackFiles\i386 directory where that 266 meg SP2 file
unpacked itself to before it installed SP2?
3. Can they and their contents be deleted?

Thanks in Advance,
Ed

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