Don't know how to install PortIO32 so you can use Xtracto Reader with no problems? Installing PortIO32 in Vista is a little different than installing it in XP. 1.) First Open "Control Panel" and in the search box type in "hardware". 2.)Under "Device Manager" you will see "Install drivers for older devices with Add Hardware wizard" select that. 3.) Click Next and you will get to this screen. Select the option in the image then select next. 4.) After it is done searching for hardware, click next and you will get to this screen. 5.) Make sure you highlighted "Show All Devices" then click Next. 6.) Click on "Have Disk..." and browse into the PortIO32 folder and go here Desktop\PortIO32\win\driver. Select the portio32.inf. If you don't know where to get portio32 32 download it here >>> http://www.winfordeng.com/download/portio32_1.4.zip 7.) Click next until it installs. 8.) Now you can load Xtractor Reader without that annoying error prompt.