I am using a Win XP Pro Version 2002 SP2 with Outlook 2003 SP1

Whenever I receive a mail in HTML format from Hungary with Hungarian characters Outlook just doesnt display it correctly, so I cant read those mails.
Just to understand we use characters like this: őúűéáóüö

This happens only when the mail is in HTML format. If it's in rich text or plain text, I do not have problems.

I have the English and Hungarian language and keyboard settings too.

Anyone can give me an advice what should I check?

Screenshot:

Here