mokakda machan error eka. wena 7 tiyena computer ekakin BOOTMGR kiyana file eka pen ekakata aran awith ( mataka widiyata windows folder eke tiyenne. C:\ eke search karala balanna) Ubuntu CD eken oyage eka on karala ara file eka anik machine eke tibuna thanta (same path ekata) paste karala balanna.