Permanent Solution for recovering hidden files by Command prompt in windows operating system

Step One:
Plug your USB Pendrive or External HDD or Memory Card which is Affected.

Step Two:

Go to Start -> Run-> Type CMD and Enter

Step Three:Find the drive letter for the connected USB drive. For Example, I:

In command prompt, type I:

and Hit enter. Command Prompt will show I:/

Step Four:
Then type

attrib -s -h /s /d *.*

Make sure that you put space between each elements in the code.

and hit enter and wait for few seconds.