Sometimes when you try to install the LAN driver you may get the “Can't find Setupx.dll error” and setup quits from the present place. If the same situation arising with your system then driver incompatibility may be the main cause of this error. In some of case incorrect registry entries, wrong registry settings, or malware or virus attack can be the main cause of this error. After having this error when you go to install new software or the boot up is start then you will get the setupx.dll error on the computer screen. To handle this situation you should use Registry repair software. This can solve the registry problems either the registry corrupts or damaged. For more info: http://www.setupxdllerrorfix.com