Long story short:

Friend dropped off his WXP SP2 PC with me because he was having issues with machine. Machine was infested with spyware, he had an expired version of NAV,
using Windows firewall, no anti-spyware programs running.
I cleaned out and removed all the pests, installed KAV 6.0, AVG Antispyware(Ewido), SpyBot, Ad-Aware, ZA Firewall.

After getting PC up and running and happy again I went in to check MS Updates, due to the problems he was having machine something had messed with the host files thus restricting access to MS Updates-fixed host file, and was informed that 61 updates were needed. Downloaded the updates and started installing, everything going good until the October version of the Windows Malicious Software Removal tool installed...Now the problem I have is that the I cannot install the updates, PC reboots everytime when trying to install updates. Checked my update history at the MS website, everything was good until October version of Mal Removal tool was installed and then the errors. Shows error code 0x80248007 when I bring up details.

Question- Is there a way to remove the one update, even though it doesn't show in Add/Remove programs via control panel?

Will going into C:\windows\$NtUninstallXXXXX$ and removing/deleting take care of problem?

Thanks.