Problem installing language pack patch

[bhawin13]

Hello,

I have installed sugarcrm open source Version 4.2.0
My environment is
Windows 2000 sever
apache 2.0
PHP Version 5.0.4
MySQL 4.1.14

I have installed japanese language packe 4.2.0a(through module loader)
When I try to install language pack patch (PATCH-Japanese-OS420a.zip or Japanese_localization_patch_SugarCRM_Os401c_001.zi p) through upgrade wizard or module loader it says
"The uploaded file is not compatible with this version of Sugar Suite: 4.2.0"
Am I doing anything wrong?
Please guide me how to find and install proper patch.


Thanks & Regards,
bhawin13
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