Can you access the stick from Computer Management. That is can you right click it and select Explore or Properties? If you can Explore the Stick, you can then copy the data to your HD.
Re-format the stick to NTFS.
To open Computer Management: Right click 'My Computer' select 'Manage' then 'Disk Management'
To convert the stick to NTFS:
At the command prompt, type the following, where drive letter is the drive that you want to convert:
convert drive letter: /fs:ntfs