1.Plug your USB Pendrive or External HDD or Memory Card which is Affected.
2.Go to Start -> Run-> Type CMD and Enter
3.Find the drive letter for the connected USB drive. For Example, I:
Type:
I:
4.Then type:
attrib -s -h /s /d *.*
5.Hit enter and wait for few seconds.
Method Two
1.Use USB Show which you can download it from here.
2.Extract the archive.
3.Press on the Recovery The Hide Files.