How do I fix a loss of data on your flash drive(more in description)?

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).

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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.
July 4th 19 at 23:12
1 answer
July 4th 19 at 23:14
https://www.piriform.com/recuva

but keep in mind files there, probably not

and the stick safely carry it to work, like you have at home "yesterday was read, and suddenly..."

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