Off For a seamless internet experience, it is recommended that you upgrade your operating system immediately. Please ensure:Windows XP is upgraded to Latest Service Pack (available through Windows Update or on www.microsoft.com).Windows Vista is upgraded to Latest Service Pack (available through Windows Update or on www.microsoft.com).Antivirus security to be reduced from 'high' to 'medium' so that Genuine Network Traffic does not get blocked.The power save mode of your laptop is not configured to \"disable\"" or \""disconnect the LAN card while working on battery.\""Use only original operating system software.If the problem still persists