Every time is click my explorer 7, this web <a href="http://www.win2farsi.com/" rel="nofollow">http:

i changed it at tool/homepage/To create home page, but while starting again, http://www.win2farsi.com/ again coming.

i updated and scan norton antivirus also

Every time is click my explorer 7, this web http://www.win2farsi.com/ come?microsoft office

Spyware might be the issue. Have you tried scanning for spyware.

Here's a good list of free ones. http://www.basicspywaretips.com/spywarer...

Every time is click my explorer 7, this web http://www.win2farsi.com/ come?norton antivirus

check you internet options again reset page,clean cache and files and cookies. then scan with spyware fixes and search and destroy spybot and ccleaner programs