Hi gatehouseauthor.
Please delete the LBP6200d_R100_V110_W64_us_EN file, and then empty the Recycle Bin. Next, restart the computer, and download the file again. Before installing the driver, please temporarily disable any antivirus software until after the installation is complete.
If the error persists, we recommend that you contact us at 1-800-OK-CANON (1-800-652-2666) for further assistance.