im using backtrack 4 final on acer aspire 4530. all work well..sometime i have a problem with kdm and startx. it need to be login as root but i want to login as user.

i run this=

<textarea>chwon /zer0 ~/.ICEauthority<textarea>

sometime BT not remember this and i need to type that every time i boot. how to make it permanent or remember?