|It's possible that the virus/malware altered your hosts (no extension) file. Locate your hosts file in the C:\WINDOWS\system32\drivers\etc folder and right click it, choose Open, choose Notepad and open it. Between the lines is what the generic hosts file for XP should look like.|
# Copyright (c) 1993-1999 Microsoft Corp.
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
# For example:
# 220.127.116.11 rhino.acme.com # source server
# 18.104.22.168 x.acme.com # x client host
See if the AV sites and Microsoft sites are showing under the
If they are this is the reason you can't access them. To correct the problem remove all entries below the
but do NOT remove that entry.
After you do that click File and choose Save.