This function is reserved for system use.
A registry problem was detected.
"Windows cannot start this hardware device because its configuration information (in the registry) is incomplete or damaged. (Code 19)"
This error can result if more than one service is defined for a device, there is a failure opening the service key, or the driver name cannot be obtained from the service key.
Try either uninstalling and reinstalling the driver or rolling back the system to the most recent successful configuration of the registry.
To uninstall and reinstall a device driver, follow these steps:
Right-click the icon that represents the device in the Device Manager window.
On the menu that appears, click Uninstall to uninstall the device driver.
Click Action on the Device Manager menu bar.
On the Action menu, click Scan for hardware changes to reinstall the device driver.
To roll a system back to the most recent successful configuration of the registry, restart the computer in Safe Mode and select the Last Known Good Configuration option.