Dear Mr. Ramkumar Please consult the following person, in case of those 6 errors if it leads to trouble. P.Muralidharan, Asst Manager - Customer Support, Acer India Pvt Ltd., 129 (No.56),Luz Church Road, Mylapore,Chennai - 4. Ph: 24990779 /24990564. Mobile : 0 - 9382156671. Thanking you THYAGARAJAN.S