Your registry may be bad.

Your registry may be bad. (Code 19)
To check your registry, click Check Registry. If the registry is bad, Windows will restart your system and go back to a previous registry that is good.

Solution button: Check Registry

This code means that the registry returned an unknown result.

To resolve this issue, follow the recommended solution, which will run Scanreg.exe. If this does not resolve the issue, type "scanreg /restore" (without quotation marks) from a command prompt. Finally, remove the device from Device Manager, and then redetect it using the Add New Hardware tool in Control Panel.