This trick is for all those guys whose wants to store some personal files or data and don't want any one to see or access it dis trick is for all those guys!!
Click start button>run type gpedit.msc, now move to user configuration > administrative templates > windows components > windows explorer, press double click on "Hide these specified drives in My Computer" after following des steps properly u ll find another option "Prevent access to drives from My Computer" double click on dis option & change it accordingly.
To make it normal again click on "disable" by double clicking on "Hide these specified drives in My Computer" option ..
Dats it ur done with it !!!! enjoy dis trick.