A user is recommended to follow all the guidelines and precautions before updating the firmware of your Tp-link extender through the tplinkrepeater.net window. You must make sure that your extender is connected through a wired connection to your computer while updating the firmware of your device. Do not try to interrupt the update process as it may lead to failure of the update process that can damage the warrant of your product. To avoid the interruption in the update process, try not to click on any other link of a current browser, try not to open a new webpage, do not close the current browser, do not hop on to the desktop screen of your computer, any of the mentioned activity can bring failure in the update process.