I hope someone has seen this before:

I have a FAT32 partition so that common files can be shared in my dual boot system. When creating a file in the FAT32 partition using Linux, the file disappears when WinXP views the same directory.

Creation and reading files in the opposite direction works fine. (Creating a file in WinXP, reading in Linux).

The file permissions of the linux created files are no different from the ones created by WinXP.

Is there an obivous problem/solution here?