You should GRANT access to your host (W98 in your case) like:
GRANT ALL PRIVILEGES
ON .
TO george@192.168.170.1
IDENTIFIED BY 'password' ;
of course you should think about security and my sample doesn't do that because it give you all privileges in all databases
Go here for more info:
http://www.mysql.com/doc/A/d/Adding_users.html
Cheers!