Epson Perfection 1240U Photo Startup Manual page 28

Windows 2000
7. Follow the instructions on the screen.
For Windows 2000 users:
When the following dialog box appears, click Yes to continue.
Note:
If you click No and stop installation, your scanner will appear under
Other Devices with a question (?) mark in the Device Manager
menu. You must reinstall EPSON TWAIN. Follow the instructions
on "Maintenance and Troubleshooting" in your Online Reference
Guide.
2-4
Installing the Software