The process of downloading the Sony VGN-S150 ALPS Pointing Device Driver 5.3.511.2 for XP driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Sony VGN-S150 ALPS Pointing Device Driver 5.3.511.2 for XP driver from the primary server - this is the manufacturer’s ALPS 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 Sony VGN-S150 ALPS Pointing Device Driver 5.3.511.2 for XP diver.