24Installing the TWAIN Driver / WIA Driver• Be very careful to follow the steps below in order to install the driversoftware.1. Install one of the following drivers from the Canon Digital CameraSolution Disk (p. 18).Windows 98 / Windows 2000: TWAIN DriverWindows Me / Windows XP: WIA Driver- Copy the required files to your computer.2. Connect the camera to the computer with the USB cable.- Complete the steps required to install the driver and then close the installer.• The installation procedures may vary between Windows versions.WIA Driver Installation Precautions• You can install the WIA Driver if you are using Windows Me or Windows XP. Inaddition, you should read the “WIA Driver Limitations” below before installingthe driver.WIA Driver Limitations• When you have set the WIA Driver to start a particular application program whenyou connect the camera, the program may cause an error message similar to thefollowing to appear: “TWAIN data source not found. Reinstall the scannersoftware.” If this happens, select [WIA-camera model] in the application programas the TWAIN device. Your camera model name will appear in place of the“camera model” in the brackets above.TWAIN Driver• TWAIN Driver is the driver software for USB connections to Windows 98and Windows 2000 only. It is the software required to load images intoTWAIN-compliant application programs, such as Adobe Photoshop LE,ArcSoft PhotoStudio, ArcSoft PhotoImpression and ArcSoftVideoImpression. Since it is not a stand-alone program, you must alwaysuse it by starting it from within a TWAIN-compliant program.WIA Driver• WIA Driver is the driver software for USB connections to Windows Meand Windows XP only. When you connect the camera to a computer witha USB cable, the Scanners and Cameras Wizard will open automatically toassist with downloading. This driver also allows you to use WindowsExplorer to display the camera’s thumbnail (tiny) images on the computerand download images with standard file copying procedures.