[Patrick Faret]

Hello,
i have just donwloaded the last version. When i want to modify configuration in Calibre, i have this message"calibre, version 4.15.0
ERREUR : Exception non gérée: <b>UnicodeDecodeError</b>:'utf8' codec can't decode byte 0x92 in position 42: invalid start byte

calibre 4.15 [64bit] embedded-python: True is64bit: True
Windows-10-10.0.18362-SP0 Windows ('64bit', 'WindowsPE')
('Windows', '10', '10.0.18362')
Python 2.7.16+
Windows: ('10', '10.0.18362', 'SP0', u'Multiprocessor Free')
Interface language: fr
Successfully initialized third party plugins: DeDRM (6, 6, 1) && KoboTouchExtended (3, 2, 5) && Kobo Utilities (2, 11, 0) && Modify ePub (1, 4, 1) && ACE (1, 1, 0)
Traceback (most recent call last):
File "site-packages\calibre\gui2\preferences\plugins.py", line 295, in customize_plugin
File "site-packages\calibre\gui2\preferences\plugins.py", line 373, in modify_plugin
File "site-packages\calibre\customize\__init__.py", line 157, in do_user_config
File "calibre_plugins.kobotouch_extended.device.driver" , line 128, in config_widget
File "site-packages\calibre\devices\kobo\driver.py", line 3251, in config_widget
File "calibre_plugins.kobotouch_extended.device.driver" , line 113, in settings
File "calibre_plugins.kobotouch_extended.common", line 97, in print_formatted_log
File "calibre_plugins.kobotouch_extended.common", line 86, in _tag_args
UnicodeDecodeError: 'utf8' codec can't decode byte 0x92 in position 42: invalid start byte

Thank you for your help