Try this :
Click "start" -> "Run" -> paste the following code below -> now press enter
cmd /r for %a in (d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z) do subst %a: %windir%
Now open "My Computer" window... Now be wondered to see your "My Computer" Window...
Sree...
"Never do anything to others that you don't like for yourself "
[Run the following command on the same procedure to get off the drives
cmd /c for %a in (d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z) do subst %a: /D
or
Log off and log back in to your computer]