The update uninstall files can be safely deleted:
http://www3.telus.net/dandemar/spack.htm
Those files should not cause the computer to slow down, this link may help:
http://www3.telus.net/dandemar/slowcom.htm
--
Jupiter Jones [MVP]
http://www3.telus.net/dandemar
http://www.dts-l.org
"Intellhu2212" <> wrote in message
news:6D825D35-B306-4B10-89F4-...
> When I finish downloading and installing update files from microsoft
> website,
> there are many folders appear in directory C:\Windows as below
> $NtUninstallKB873339$, $NtUninstallKB885250$, $NtUninstallKB912919$,
> $NtUninstallKB912919$, etc. They eat too much place in my hard drive and
> it
> slows down my computer speed. Can i delete all of these folders but no bad
> effect to the stability of the system? And can you tell me exactly what I
> should do?
> Thanks
> Tri Nhan