Update Error, Security and AV Programs/Sites Wink, Blink & Fail

The latest security update failed for SP 2 in my WIN XP Pro. And now, any
AntiVirus or Security Programs won't start, Trojan-Remover won't auto start
at bootup, regedit.exe won't function at all, and even Trend Micro's
PC-Cillin Housecall or any other Antivirus Site refuses to function or
download their S/W so I can't search for infections on my PC from
anywhere!...almost like a parasite conspiracy, unless I accidently removed
valuable files with Spyware Doctor, PC Rescue or HiJackThis while I attempted
to remove flash pop-ups that just wouldn't go away...all of these programs or
sites will wink or blink or flash a window momentarily on-screen as if to
start, then disappear. The same occurrs for HiJackthis! An error 0X80070424
does occur when I attempt to update the latest security from microsoft
Windows Update whether I try manually or automatically, but all the helpful
advice I found here was followed and acted on for this error, and the problem
is still there. Is it an Active X or OCX problem?
I can't disable the System Restore function, so, of course, when I tried
a restore point, it re-loaded any viruses I acquired around Christmas time.
It even refused to restore at first for several tries. I finally got one
Norton site to scan my 20 gig drive... it took 4 hours...and it reported that
101 files were infected with the W32.Tibick virus! I can't get rid of it
because none of the AV programs will start or function in any way to remove
any viruses. At least my Ad-aware SE, and PC Rescue, and Spybot, and
Trojan-Remover appear to work when I start them manually... Help...
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Arte Belle Koast2Koast