The process of downloading the Linksys PLWK400 v1.0 Powerline Adapter Utility 1.5.5.0 driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Linksys PLWK400 v1.0 Powerline Adapter Utility 1.5.5.0 driver from the primary server - this is the manufacturer’s Linksys official website). If the download still fails to run, check whether your anti-virus software is not blocking the connection to the manufacturer server of the Linksys PLWK400 v1.0 Powerline Adapter Utility 1.5.5.0 diver.