Windows Update replaced the Canon CAPT driver. Fix: Go to Device Manager > Print queues > Uninstall any "Unknown USB Device." Then, reinstall using the "Have Disk" method above.
There is no unique software called "LBP 810-L10576E software." The correct software for your printer is simply the Canon LBP-810 Driver . The L10576E code helps identify hardware compatibility, but the driver is universal for all LBP-810 models. canon LBP 810-L10576E software
With the right software approach, your durable Canon LBP-810 (of any variant, including L10576E) can continue to print thousands of crisp black-and-white pages for years to come. Windows Update replaced the Canon CAPT driver