Logitech G - Do you have LGS currently installed? I'd check for updates (Follow the arrow in the picture to find the ^ above the ?, and click on Check for Updates)
Amazon.com: Logitech G400s 910-003589 Optical Gaming Mouse : Video Games
Product Review: Logitech G500s Laser Mouse - 404 Tech Support
Logitech G400s Optical Gaming Mouse Black - Office Depot
Logitech G400s Optical Gaming Mouse Black - Office Depot
Amazon.com: Logitech G400s Optical Gaming Mouse : Video Games