You should give user "Linux" access to mysql *from all servers*, quite a common problem with mysql.
Try these 2 before re-issuing mysqldump on W2K System :
(mysql command line on server "easytrading")
grant all on easytrading.* to Linux@'%' identified by "<passwd_goes_here>";
grant all on easytrading.* to Linux@'localhost' identified by "<passwd_goes_here>";
Quite a common hassel wih mysql authorizations when connection remotely ...
Let us know if this did the trick
You might have addtional issues with codepages etc... when copying DBs form X to W