Hi,

Code 19 :

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Windows cannot start this hardware device because its configuration information (in the registry)
is incomplete or damaged.

To fix this problem you can first try running a troubleshooting wizard. If that does not work,
you should uninstall and then reinstall the hardware device. (Code 19)
-------------------------------------------------------------
A registry problem was detected.

This can occur when more than one service is defined for a device, if there is a failure opening
the service subkey, or if the driver name cannot be obtained from the service subkey.

Windows Code 19 Error Fix Download

Try these options:

On the General Properties tab of the device, click Troubleshoot to start the troubleshooting wizard.

Click Uninstall, and then click Scan for hardware changes to load a usable driver.

Restart the computer in Safe Mode, and then select Last Known Good Configuration, which rolls
back to the most recent successful registry configuration.
Did logitech confirm this camera will run properly on Windows 7? That they could not get it to
work is very telling.
Do these to clear corruption and repair/replace damaged/missing system files.

Start - type in Search box - COMMAND find at top of list - RIGHT CLICK -
RUN AS ADMIN

sfc /scannow

How to analyze the log file entries that the Microsoft Windows Resource Checker
(SFC.exe) program generates in Windows Vista cbs.log (same for Windows 7)
http://support.microsoft.com/kb/928228

Then run checkdisk - schedule it to run at next start and then Apply OK your way out then restart.

How to Run Check Disk at Startup in Vista (same for Windows 7)
http://www.vistax64.com/tutorials/67612-check-disk-chkdsk.html

Then lets refresh the USB Stack

Control Panel - Device Manager - click in the blank area - then VIEW - Show Hidden Devices

Now look everywhere EXCEPT USB Controllers for your device(s) (may not find ANY) and if
you find it RIGHT CLICK and UNINSTALL them all. The Device is your camera.

Control Panel - Device Manager - USB Serial Controllers - RIGHT CLICK on EVERYTHING
and UNINSTALL all except the category itself - REBOOT - this refreshes the driver and the
USB stack

This KB shows the XP how to and the Vista method is identical
http://support.microsoft.com/kb/310575

Try the above 1st :

USBDeview is a small utility that lists all USB devices that currently connected to your computer,
as well as all USB devices that you previously used. Run it Options and check the 1st three choices
to see if any are there. You can remove all instances of the device and then reboot again.
http://www.nirsoft.net/utils/usb_devices_view.html

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Install a USB device (Windows 7)
http://windows.microsoft.com/en-US/windows7/Install-a-USB-device
---------------------------------------------

Windows Code 19

If needed try both of these : (read the manual instructions)

Tips for solving problems with USB devices - and a Mr Fixit
http://windowshelp.microsoft.com/Windows/en-US/Help/c39bd203-f729-47a4-8351-83291e13c8a81033.mspx#EGB

Windows Code 19 Error Registry

Hardware devices not detected or not working - Mr Fixit
http://support.microsoft.com/gp/hardware_device_problems

Probably would be a good idea to check with your System maker, there on-line
documentation and drivers, as well as any of there forums.

Hope this helps.

Windows 10 Code 19 Error How To Fix

Rob - Bicycle - Mark Twain said it right.