[antonf]

I upgraded Calibre from 0.9.22 to 0.9.25 today, and now my Glo isn't detected. Kobo Desktop detects the Glo, and it is visible as an external drive.

Your assistance will be appreciated!
Hereith the device debug log

calibre 0.9.25 isfrozen: True is64bit: False
Windows-post2008Server-6.2.9200 Windows ('32bit', 'WindowsPE')
('Windows', 'post2008Server', '6.2.9200')
Python 2.7.3
Windows: ('post2008Server', '6.2.9200', '', 'Multiprocessor Free')
USB devices on system:
[u'usb\\vid_045e&pid_0745&rev_0634&mi_01',
u'usb\\root_hub20&vid8086&pid1e2d&rev0004',
u'usb\\vid_2237&pid_4173&rev_0110',
u'usb\\vid_045e&pid_0745&rev_0634&mi_02',
u'usb\\vid_2232&pid_1028&rev_0003&mi_00',
u'usb\\vid_8087&pid_0024&rev_0000',
u'usb\\vid_2232&pid_1028&rev_0003',
u'usb\\vid_0cf3&pid_3004&rev_0001',
u'usb\\vid_8087&pid_0024&rev_0000',
u'usb\\vid_12d1&pid_140c&rev_0000&mi_05',
u'usb\\vid_12d1&pid_140c&rev_0000&mi_04',
u'usb\\root_hub20&vid8086&pid1e26&rev0004',
u'usb\\vid_12d1&pid_140c&rev_0000',
u'usb\\vid_12d1&pid_140c&rev_0000&mi_03',
u'usb\\vid_12d1&pid_140c&rev_0000&mi_02',
u'usb\\vid_045e&pid_0745&rev_0634&mi_00',
u'usb\\vid_12d1&pid_140c&rev_0000&mi_01',
u'usb\\vid_045e&pid_0745&rev_0634',
u'usb\\vid_12d1&pid_140c&rev_0000&mi_00']
Unable to get free space for drive: F
(21, 'GetDiskFreeSpaceEx', 'The device is not ready.')
Drives detected:
(0) G:\ ~ \\?\STORAGE#VOLUME#_??_USBSTOR#DISK&VEN_KOBO&PROD_ EREADER-2.4.0&REV_0110#613A2A1023345&0#{53F56307-B6BF-11D0-94F2-00A0C91EFB8B}#{53F5630D-B6BF-11D0-94F2-00A0C91EFB8B}

Disabled plugins: KOBOTOUCHEXTENDED KOBOTOUCH

Looking for devices of type: MTP_DEVICE
List of WPD PNP ids:
[u'\\\\?\\wpdbusenumroot#umb#2&37c186b&0&storage#vo lume#_??_usbstor#disk&ven_kobo&prod_ereader-2.4.0&rev_0110#613a2a1023345&0##{6ac27878-a6fa-4155-ba85-f98f491d4f33}',
u'\\\\?\\wpdbusenumroot#umb#2&37c186b&0&storage#vo lume#_??_usbstor#disk&ven_huawei&prod_sd_storage&r ev_2.31#8&25561311&0##{6ac27878-a6fa-4155-ba85-f98f491d4f33}']
No suitable MTP devices found

Looking for devices...

Devices possibly connected: None