Calibre not seeing Kobo Glo

I've run the debug and it confirms that Calibre is not detecting the device. Kaspersky sees it and asks if I want to debug it. Anyway, here is the debug file:

calibre 2.44.1 [64bit] isfrozen: True is64bit: True
Windows-8-6.2.9200 Windows ('64bit', 'WindowsPE')
('Windows', '8', '6.2.9200')
Python 2.7.9
Windows: ('8', '6.2.9200', '', 'Multiprocessor Free')
USB devices on system:
[u'usb\\root_hub20&vid1022&pid7808&rev0039',
u'usb\\vid_0438&pid_7900&rev_0018',
u'usb\\vid_0438&pid_7900&rev_0018',
u'usb\\root_hub30&vid1022&pid7814&rev0011',
u'usb\\vid_04f2&pid_b40e&rev_6939&mi_00',
u'usb\\vid_04f2&pid_b40e&rev_6939',
u'usb\\vid_2237&pid_4223&rev_0110',
u'usb\\root_hub20&vid1022&pid7808&rev0039',
u'usb\\vid_093a&pid_2510&rev_0100']
Unable to get free space for drive: F
(87, 'GetDiskFreeSpaceEx', 'The parameter is incorrect.')
Drives detected:

No disabled plugins
Looking for devices of type: MTP_DEVICE
List of WPD PNP ids:
[u'\\\\?\\swd#wpdbusenum#_??_usbstor#disk&ven_kobo& prod_ereader-3.18.0&rev_0110#6&17a64f4&0#{53f56307-b6bf-11d0-94f2-00a0c91efb8b}#{6ac27878-a6fa-4155-ba85-f98f491d4f33}']
No suitable MTP devices found

Looking for devices of type: SMART_DEVICE_APP
All IP addresses {'{AEFD03A6-CFE2-4DF7-80F0-BA9BEC3EA66E}': [{'broadcast': '192.168.1.255', 'addr': '192.168.1.76', 'netmask': '255.255.255.0'}], '{1369C2EA-F983-49EC-997D-4D6EBB8FD9EF}': [{'addr': '169.254.54.99'}], '{E8A4A0AA-2EFC-46B3-8D25-749D81EDE6E3}': [{'addr': '169.254.42.146'}], '{1D9750D2-394C-11E5-9BC2-806E6F6E6963}': [{'broadcast': '127.255.255.255', 'addr': '127.0.0.1', 'netmask': '255.0.0.0'}]}
No device is connected

Looking for devices...
u'usb\\vid_2237&pid_4223&rev_0110'

Devices possibly connected: None

Gerry