@Davidfor: This is the result following your instructions:
Code:
Microsoft Windows [Version 10.0.14393]
(c) 2016 Microsoft Corporation. Alle Rechte vorbehalten.
C:\WINDOWS\system32>SET CALIBRE_TEMP_DIR=C:\TEMP
C:\WINDOWS\system32>calibre-debug -g
calibre 2.77 embedded-python: True is64bit: False
Windows-8-6.2.9200 Windows ('32bit', 'WindowsPE')
('Windows', '8', '6.2.9200')
Python 2.7.9
Windows: ('8', '6.2.9200', '', 'Multiprocessor Free')
Successfully initialized third party plugins: KePub Output (2, 7, 1) && Generate Cover (1, 5, 21) && Kobo Utilities (2, 5, 2) && Quality Check (1, 9, 11) && Diaps Editing Toolbag (0, 3, 2) && Hyphenate This! (0, 0, 8) && DOC Input (1, 0, 1) && Resize Cover (1, 0, 2) && Modify ePub (1, 3, 13) && Count Pages (1, 6, 9) && Open With (1, 5, 10) && Clean Metadata (0, 0, 6)
devicePixelRatio: 1.0
logicalDpi: 144.0 x 144.0
physicalDpi: 225.777777778 x 225.777777778
Starting up...
DEBUG: 0.0 KoboUtilites::action.py - loading translations
DEBUG: 0.0 KoboUtilites::dialogs.py - loading translations
DEBUG: 0.0 KoboUtilites::action.py - loading translations
DEBUG: 3.8 No Kobo Touch, Glo or Mini appears to be connected
DEBUG: 3.8 rebuild_menus - self.supports_ratings=None, self.supports_tiles=None
DEBUG: 3.8 KoboUtilities:set_toolbar_button_tooltip - start: text='None'
DEBUG: 3.8 device_driver_name - could not load extended driver. Exception= No module named kobotouch_extended.device.driver
DEBUG: 3.8 KoboUtilities:set_toolbar_button_tooltip - setting to text='Utilities to use with Kobo ereaders
Driver: KoboTouch'
DEBUG: 3.8 device_driver_name - could not load extended driver. Exception= No module named kobotouch_extended.device.driver
Started up in 6.21 seconds with 137 books