Cokiegal,
You were absolutely right!


The hosts file was very corrupted (see below) and was the root of the problem. Replacing it with a good, clean hosts file solved the problem. I can't thank you enough. For all to see, here's what I found when I opened the hosts file that was causing all the problems:
89.248.168.188 google.ae
74.125.45.100 secure-plus-payments.com
74.125.45.100 getantivirusplusnow.com
74.125.45.100
www.getantivirusplusnow.com
74.125.45.100
www.secure-plus-payments.com
89.248.168.188 google.at
89.248.168.188 google.az
89.248.168.188 google.ba
89.248.168.188 google.be
89.248.168.188 google.bg
89.248.168.188 google.bs
89.248.168.188 google.ca
89.248.168.188 google.cd
89.248.168.188 google.com.gh
89.248.168.188 google.com.hk
89.248.168.188 google.com.jm
89.248.168.188 google.com.mx
89.248.168.188 google.com.my
89.248.168.188 google.com.na
89.248.168.188 google.com.nf
89.248.168.188 google.com.ng
89.248.168.188 google.ch
89.248.168.188 google.com.np
89.248.168.188 google.com.pr
89.248.168.188 google.com.qa
89.248.168.188 google.com.sg
89.248.168.188 google.com.tj
89.248.168.188 google.com.tw
89.248.168.188 google.dj
89.248.168.188 google.de
89.248.168.188 google.dk
89.248.168.188 google.dm
89.248.168.188 google.ee
89.248.168.188 google.fi
89.248.168.188 google.fm
89.248.168.188 google.fr
89.248.168.188 google.ge
89.248.168.188 google.gg
89.248.168.188 google.gm
89.248.168.188 google.gr
89.248.168.188 google.ht
89.248.168.188 google.ie
89.248.168.188 google.im
89.248.168.188 google.in
89.248.168.188 google.it
89.248.168.188 google.ki
89.248.168.188 google.la
89.248.168.188 google.li
89.248.168.188 google.lv
89.248.168.188 google.ma
89.248.168.188 google.ms
89.248.168.188 google.mu
89.248.168.188 google.mw
89.248.168.188 google.nl
89.248.168.188 google.no
89.248.168.188 google.nr
89.248.168.188 google.nu
89.248.168.188 google.pl
89.248.168.188 google.pn
89.248.168.188 google.pt
89.248.168.188 google.ro
89.248.168.188 google.ru
89.248.168.188 google.rw
89.248.168.188 google.sc
89.248.168.188 google.se
89.248.168.188 google.sh
89.248.168.188 google.si
89.248.168.188 google.sm
89.248.168.188 google.sn
89.248.168.188 google.st
89.248.168.188 google.tl
89.248.168.188 google.tm
89.248.168.188 google.tt
89.248.168.188 google.us
89.248.168.188 google.vu
89.248.168.188 google.ws
89.248.168.188 google.co.ck
89.248.168.188 google.co.id
89.248.168.188 google.co.il
89.248.168.188 google.co.in
89.248.168.188 google.co.jp
89.248.168.188 google.co.kr
89.248.168.188 google.co.ls
89.248.168.188 google.co.ma
89.248.168.188 google.co.nz
89.248.168.188 google.co.tz
89.248.168.188 google.co.ug
89.248.168.188 google.co.uk
89.248.168.188 google.co.za
89.248.168.188 google.co.zm
89.248.168.188 google.com
89.248.168.188 google.com.af
89.248.168.188 google.com.ag
89.248.168.188 google.com.ar
89.248.168.188 google.com.au
89.248.168.188 google.com.bn
89.248.168.188 google.com.br
89.248.168.188 google.com.by
89.248.168.188 google.com.bz
89.248.168.188 google.com.cu
89.248.168.188 google.com.ec
89.248.168.188 google.com.fj
89.248.168.188
www.google.ae
89.248.168.188
www.google.as
89.248.168.188
www.google.at
89.248.168.188
www.google.az
89.248.168.188
www.google.ba
89.248.168.188
www.google.be
89.248.168.188
www.google.bg
89.248.168.188
www.google.bs
89.248.168.188
www.google.ca
89.248.168.188
www.google.cd
89.248.168.188
www.google.com.gh
89.248.168.188
www.google.com.hk
89.248.168.188
www.google.com.jm
89.248.168.188
www.google.com.mx
89.248.168.188
www.google.com.my
89.248.168.188
www.google.com.na
89.248.168.188
www.google.com.nf
89.248.168.188
www.google.com.ng
89.248.168.188
www.google.ch
89.248.168.188
www.google.com.np
89.248.168.188
www.google.com.pr
89.248.168.188
www.google.com.qa
89.248.168.188
www.google.com.sg
89.248.168.188
www.google.com.tj
89.248.168.188
www.google.com.tw
89.248.168.188
www.google.dj
89.248.168.188
www.google.de
89.248.168.188
www.google.dk
89.248.168.188
www.google.dm
89.248.168.188
www.google.ee
89.248.168.188
www.google.fi
89.248.168.188
www.google.fm
89.248.168.188
www.google.fr
89.248.168.188
www.google.ge
89.248.168.188
www.google.gg
89.248.168.188
www.google.gm
89.248.168.188
www.google.gr
89.248.168.188
www.google.ht
89.248.168.188
www.google.ie
89.248.168.188
www.google.im
89.248.168.188
www.google.in
89.248.168.188
www.google.it
89.248.168.188
www.google.ki
89.248.168.188
www.google.la
89.248.168.188
www.google.li
89.248.168.188
www.google.lv
89.248.168.188
www.google.ma
89.248.168.188
www.google.ms
89.248.168.188
www.google.mu
89.248.168.188
www.google.mw
89.248.168.188
www.google.nl
89.248.168.188
www.google.no
89.248.168.188
www.google.nr
89.248.168.188
www.google.nu
89.248.168.188
www.google.pl
89.248.168.188
www.google.pn
89.248.168.188
www.google.pt
89.248.168.188
www.google.ro
89.248.168.188
www.google.ru
89.248.168.188
www.google.rw
89.248.168.188
www.google.sc
89.248.168.188
www.google.se
89.248.168.188
www.google.sh
89.248.168.188
www.google.si
89.248.168.188
www.google.sm
89.248.168.188
www.google.sn
89.248.168.188
www.google.st
89.248.168.188
www.google.tl
89.248.168.188
www.google.tm
89.248.168.188
www.google.tt
89.248.168.188
www.google.us
89.248.168.188
www.google.vu
89.248.168.188
www.google.ws
89.248.168.188
www.google.co.ck
89.248.168.188
www.google.co.id
89.248.168.188
www.google.co.il
89.248.168.188
www.google.co.in
89.248.168.188
www.google.co.jp
89.248.168.188
www.google.co.kr
89.248.168.188
www.google.co.ls
89.248.168.188
www.google.co.ma
89.248.168.188
www.google.co.nz
89.248.168.188
www.google.co.tz
89.248.168.188
www.google.co.ug
89.248.168.188
www.google.co.uk
89.248.168.188
www.google.co.za
89.248.168.188
www.google.co.zm
89.248.168.188
www.google.com
89.248.168.188
www.google.com.af
89.248.168.188
www.google.com.ag
89.248.168.188
www.google.com.ar
89.248.168.188
www.google.com.au
89.248.168.188
www.google.com.bn
89.248.168.188
www.google.com.br
89.248.168.188
www.google.com.by
89.248.168.188
www.google.com.bz
89.248.168.188
www.google.com.cu
89.248.168.188
www.google.com.ec
89.248.168.188
www.google.com.fj
89.248.168.188 google.com
89.248.168.188
www.google.com
89.248.168.188 bing.com
89.248.168.188
www.bing.com
89.248.168.188 search.yahoo.com
89.248.168.188
www.search.yahoo.com
89.248.168.188 search.live.com
89.248.168.188 search.msn.com
89.248.168.188 googleads.g.doubleclick.net
89.248.168.188
www.googleads.g.doubleclick.net
89.248.168.188 pubads.g.doubleclick.net
89.248.168.188
www.pubads.g.doubleclick.net
89.248.168.188 partner.googleadservices.com
89.248.168.188
www.partner.googleadservices.com
89.248.168.188
www.partner.googleadservices.com
74.125.45.100 test1111.com
74.125.45.100 test1112.com
74.125.45.100 4-open-davinci.com
74.125.45.100 securitysoftwarepayments.com
74.125.45.100 privatesecuredpayments.com
74.125.45.100 secure.privatesecuredpayments.com
74.125.45.100
www.getavplusnow.com
74.125.45.100
www.securesoftwarebill.com