Logitech Notebook Optical Mouse Plus 9.79.1 build 25

you use a Cordless Desktop keyboard that uses iTouch software and you are upgrading MouseWare, it is recommended you also upgrade to the latest version of iTouch.
NT 4.0 users:- This version requires NT service pack 6 to be installed.
The F1 - F12 button assignments have been removed. These can now be programmed (as well as many other keys) using the new "Keystroke" button assignment.
MouseWare does NOT currently support Windows Server 2003. Your Logitech pointing device will function with its native drivers.
Serial Mice users under Windows XP and 2000: MouseWare does not support any serial pointing devices. A Logitech mouse connected to the serial port will function with native drivers, but it will not be displayed in the MouseWare control center and you will not be able to program the buttons.
C-Series device users: C-Series mice are not supported under Windows XP, Windows 2000 or Windows ME when connected to the serial port. C-Series devices can be identified by the following model numbers (M/N), located on the bottom of the device: T-CA1, C7, CA, CC, and CE. Please note the CA and the CE are combination devices and will function on the PS/2 port.