Solve : May be a Computer Virus?

1.	Solve : May be a Computer Virus?
Answer» I have about 23 folders in my USB flash drive. When I double click to one of these folders it disapears. And I did the same THING to another FOLDER. The same thing HAPPENED. So I enabled the system files to be appeared in the folder OPTIONS. But that folder cannot be found. Please help me with this issue. Thank you.

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