There is a problem. On the flash drive create a folder and (from the first PC) I throw in it text files, insert a USB flash drive in the second PC, open the USB flash drive, and the folder is empty(if you delete a folder on thief PC gives an error).
p.s And I have to fix it so that without third-party software, because the drive to open at work.
All additional information give in the comments. Thank you.