|What you need is the necessary translator software probably a driver that helps Windows read a Linux partition... following is a translator for Ext2/3 but you can search with the appropriate keywords in case your Linux partition is on some other file system|
Ext2 IFS support for Windows
Other search keywords:
"Linux Mint support for windows xp",
"linux Ext2 Ext3 support for windows xp
You should find some driver or application that translates between file systems so WXP can read a Linux partition
Explore2fs is a GUI explorer tool for accessing ext2 and ext3 filesystems.
A Beginner's Guide to Dual Booting Linux Mint and Windows XP