Chinese character show as ??

Greeting,

I have XP Pro SP2 and text editor TextPad installed on two computers. I
enter some Chinese characters in a TextPad on one computer, it looked good.
But when I Save it, all text became question marks. I suspect it is not saved
as ANSI code, therefore after Save, the text changed to ?????. Yet on the
other computer, it works just fine. I verified the settings on Regional and
Languages on both PC, both have Asian Language Pack installed and Non-Unicode
set to Chinese.

This also happens to my programming IDE, Delphi 7. When I save Chinese
Characters in D7, I can see on the 'correct" computer a character was saved
as 5-digt number, on the "wrong" computer it was saved as two 3-digit numers.

However this does not happen to Word. On both computers, I can save Chinese
characters jst fine. So I can there might be a compatibility issue of the
applications with XP East Asian Language Package?

The only thing I can think of is two PC use different installation CD to
install XP Pro SP2.

And does the installation sequence of TestPad or Delphi 7 and Asian Language
Pack matters? I want to try that however I couldn't uninstall the Asian
language pack.

Could anybody help? It really drag my legs in terms of productivity.

Thanks,

JZ