My PC has been seriously hacked by overseas hackers.

Giganews Newsgroups
Subject: My PC has been seriously hacked by overseas hackers.
Posted by:  sammule (e…@re.com)
Date: Wed, 25 Aug 2010

Dear all geeks,
My PC has been seriously hacked by overseas hackers from Asia. Any
communications using MSN messenger have been captured. Any articles I input
into the files on my disk using Microsoft Word application has been
sniffered and captured completely by hackers. If hackers can read the files
I  am opening and writing, can he read any else files on my computer? I just
want to know what authentication the hackers have got in my computer and how
can I eliminate the illegal access to my PC now? Is it useful to change the
administrator's password and the current user's password very often?

I used to use wireless network. Is it wireless network easier to be hacked?

Thanks

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