Hi,
Please uninstall any LGS version present on your OS -
Then please proceed to clean boot.
(
http://logitech-en-amr.custhelp.com/cgi-bin/logitech_en_amr.cfg/php/enduser/std_adp.php?p_faqid=228 )
-> Unplug all the USB devices connected to the computer ( Less keyboard + mouse ) please use corded kbd+mouse if possible rather than a cordless device.
-> Go to device manager
-> Delete all the USB HOST CONTROLLER -- All of them --
-> The host controller might reinstall them itslef, let the computer handle the reinstallation
-> If the computer does not reinstall the host controllers, trigger the detection using the DM function " Scan for new hardware " ( The computer with magnifier icon )
-> Once reinstalled, clean boot
-> Reinstall the software, plug the hardware when needed.
-> Should work.
This TB delete the usb ports " memory " means if a device as been previously flagged with error, it will redetect the device without the flag, unless there is some serious issue with the hardware/OS
If your device keeps behaving this way, then i suggest you to contact Logitech support for hardware replacement as hardware failure are covered by warranty terms.
Thanks and have a nice day !
J -