All client computers on your company network were recently upgraded from Windows Vista to Windows7. Several employees use a scanner to import document images into a database. They install a new scanning application on their computers. The application updates the device driver for the scanners as part of the installation process. Employees report that the application can no longer connect to the scanner. You need to ensure that the employees can use the scanner. What should you do?（）
- ARoll back the device driver to the previous version.
- BReinstall the application in Windows Vista compatibility mode.
- CSet the application compatibility properties to run the application as an administrator.
- DRestart the computer by using the System Configuration tool to load only basic devices and services.