For Windows Xp - Siemens CL-110 User Manual

When the Maintenance Complete screen appears, the USB driver is removed successfully.
Click Finish.

For Windows XP

For uninstall the USB driver, there are two ways to do it. Please do as the following:
The first way:
Choose Programs – Siemens Broadband – Uninstall Siemens ADSL Router USB
Driver from the Start menu.