Remove Autorun.inf 

Autorun.inf can be the big virus.You can’t delete it.When you insert pen drive and contains the file autorun.inf. then it will automatically run it self.may be you have not observe any danger in that.but sometime this file contains some harmful code.It can be very dangerous for your system.Normally there is no software to delete this file from your computer.But now you can delete it using command prompt.

Simply follow process

Step 1:- Run command prompt as administrator.

Step 2:- Go to root drirectory using cd .. or cd / command.

Step 3:- Now type “attrib -h -r -s autorun.inf” and press enter.
It will search for autorun.inf file in your computer.

Step 4:- Now you will have results if there is file or not
if you find result of this file then type del autorun.inf & press Enter.
This will delete autorun.inf from your computer.

Step 5:- Restart your PC.

Done!