We have some symbol windows mobile-based handheld devices that we use in our business. We connect these devices to our computers to copy files to. This all worked fine until recently the devices come up as failed. It appears in device manager with a yellow exclamation point. Windows cannot start this hardware device because its configuration information (in the registry) is incomplete or damaged. (Code 19) I've tried all the solutions I can find on the web and none of them work. Including: Uninstall the device in device manager and scan for changes. It downloads the driver from windows-update and returns to code 19. Tried hardware troubleshooter which basically seems to automate the process of uninstalling and scanning. I've tried removing windows media player 12 feature and adding it back. I've tried deleting USB controllers from Device Manager and rebooting, it re-detects them all and still gets code 19 on the device. I've tried deleting upper and lower filter values in the registry which I found out later is mainly for CD/DVD devices, that didn't fix anything. I've tried removing and re-installing Windows Mobile Device Center and driver pack and that did not fix it either. Additionally Canon Powershot camera gives us similar results. MTP USB Device failed. This is so far happening on 3 of our workstations that we know of. At first we thought it was due to windows updates but nothing recent has been installed that looks related and we installed all available updates on a laptop with a fresh install of windows 7 and it does not exhibit this problem. We also thought it might be Forefront Endpoint Protection as we just started installing that about 3 weeks ago. However, that was also installed on the laptop with the fresh copy of Windows 7 and did not cause any problems. We've run out of options other than to try a repair install of windows 7 which I'd like to avoid, especially if this turns up on more than the 3 computers.

Hi, Thanks for posting in Microsoft TechNet forums. Do you have Kaspersky installed? Kaspersky Filter driver caused that any USB device could not connect. It is suggested to have a look at the following registry. Make a backup of it and remove the Upperfilters setting: [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{EEC5AD98-8080-425F-922A-DABF3DE3F69A} “Upperfilters” = klfltdrv If the issue persists, please find a working machine and compare the registry settings. Best Regards Magon Liu TechNet Subscriber Support in forum. If you have any feedback on our support, please contact tnmff@microsoft.com Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Thank you! This solved the issue. I remember seeing a forum entry about Kaspersky somewhere about a week ago but it must have been slightly different because it either didn't apply to my computer or the registry location they pointed to was wrong.

Hi, Glad the issue is resolved. Thank you for choosing Microsoft. Enjoy~Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.