What to do when all folder in your pendrive become shrotcut. in Windows

Click on "Start" -->Run --> Type cmd and press Enter.

[If you are using "Windows 7" then click on Start --> In search box, type cmd.
When the cmd appears in the search list, right-click on it and select "Run as administrator".]

"Command Prompt" will be opened. Now enter the below command.

Here I assume your pen drive letter as G:

Enter this command.

attrib -h -r -s /s /d g:\*.*

You can copy the above command --> Right-click in the Command Prompt and paste it.

Note : Replace the letter g with your pen drive letter.

Now check for your files in Pen Drive.