Perhaps you should look at the possibility of virus/spyware etc
The below links assist you in checking your system for parasites:-
http://aumha.org/a/noads.htm
http://inetexplorer.mvps.org/parasite.htm
Please note that some malware may kill the internet connection when it is
removed, the program on the link below will enable you to regain the internet
connection.
http://www.cexx.org/lspfix.htm
Unexplained computer behavior may be caused by third-party software
http://support.microsoft.com/default...b;en-us;827315
Spyware Programs links:-
www.lavasoftusa.com Ad-Aware
www.security.kolla.de Spybot
SpywareBlaster
http://www.javacoolsoftware.com/spywareblaster.html
CWShredder
http://www.spywareinfo.com/~merijn/downloads.html
Dealing with Unwanted Spyware, Parasites, Toolbars and Search Engines
http://mvps.org/winhelp2002/unwanted.htm
Downloadable McAfee AVERT Stinger:
Stinger:
http://vil.nai.com/vil/stinger/
stand-alone utility used to detect and remove specific viruses. It is not a
substitute for full anti-virus protection, but rather a tool to assist
administrators and users when dealing with an infected system. Stinger utilizes
next generation scan engine technology, including process scanning, digitally
signed DAT files, and scan performance optimizations.
Perhaps an online security/virus check by at least two of these companies
Symantec
http://security.norton.com/sscv6/def...d=ie&venid=sym
Trend Micro House Call:
http://housecall.trendmicro.com/
Panda ActiveScan;
http://www.pandasoftware.com/actives..._principal.htm
McAfee FreeScan:
http://us.mcafee.com/root/mfs/default.asp
Kaspersky Labs On-line Virus Checker:
http://www.kaspersky.com/remoteviruschk.html
BitDefender Online Scan:
http://www.bitdefender.com/scan/licence.php
Free virus program – AVG Anti Virus
http://www.grisoft.com/us/us_dwnl7.php
"home user" <home
> wrote in message
news:7C1692F6-8BE3-4F7E-BE89-...
> I tried to run Windows update on a WinXP Home machine and system keep
displaying security problem prevent me from running the update (not even the
scan for update appear).
> No Matter how low the security level I set for IE, I got the same problem. I
also suspect this PC is infected by isass related virus.