When transferring Japanese file, its filenames and folders become unreadable

I'm helping one of my Japanese users to transfer his files over to his new(local) computer. As he has been working in Japan, I do not know what model he was using previously, I supposed it might be a Japanese notebook. He brought his backup files over here, and when the transferring commenced I noticed that most of the filenames are unreadable. It displays text like "Æ_æ¦âtâ@âCâïü@ü@üiÉlÄûè+îWüj", "Æ_æ¦ê°îpÅæ"; be it folders or files (mainly excel and word). The new computer is on Windows XP SP3 with all the latest patches.
I've applied Japanese under Languages and Advanced tab in Regional settings, but it doesn't resolve anything. Is there any solution to this?
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I'm assumming you have:

Win XP SP3
Control Panel -> Regional and Language Options->
Language Tab -> check the Install files for East Asian Languages, you will need i386 directory for this installation.

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misteelAuthor Commented:
Yup, already checked and installed.
Try changing the language for non-Unicode programs to Japanese also.

Also check C:\WINDOWS\Fonts to see if the MS Mincho & MS PMincho exsist.
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Just ask him which fond is using and check whether it is Unicode supported.
misteelAuthor Commented:
Hi all, thanks for the suggestions. I managed to find out where the problem lies. My user is using lzh file,  when I unzip using winrar it shows all the unreadable files and folders. Only when I change the regional settings to Japanese first then I could unzip (using winzip) them perfectly with the correct name.

misteelAuthor Commented:
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Windows XP

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