I was using a windows 7 OEM DVD for my pc and few others which worked fine with no errors and generates a valied key and කිසිම අවුලක් නැ..
when I install it in a laptop (Compaq 610) it says this is not valid and all ඇයි එහෙම වෙන්නේ ??
ගොඩ එන්නේ කොහොමද?
but
when I install it in a laptop (Compaq 610) it says this is not valid and all ඇයි එහෙම වෙන්නේ ??

and
ගොඩ එන්නේ කොහොමද?
hondata install unada lap eke ?
hariyai eken..
let me know watz happened !!
