alex610,

What if your FS is NTFS ?

OUCH!

What I would do... Copy the folder from a NTFS file system, to a FAT file system, from within Windows... THEN, go into Knoppix, and do the same commands as mentioned above, from the FAT file system folder location ( from the copy made within Windows ), to the location you wanted within Linux.

NTFS is a tricky "bugger" - its proprietary of Windows, and not much support within Windows is working "at best" winthin Linux - your best bet, this is saying without knowing how much work "newly" has been done with NTFS support in Linux, but, best bet is to use FAT for any Linux to Windows, or Windows to Linux, transfers. ( IMHO )

Hope this helps,
Ms. Cuddles