QGIS » QGIS Application

After deinstall and remove qgis2. from user folder I've installed fresh QGIS 2.8.1 (firstly x64 version and nextly x86) on my notebook (WIN8.1 64 bit). Installation process was successfull but when I open GEOPROCESSING > OPTIONS I've got an error:

Wystąpił błąd podczas wykonywania kodu Pythona:

Traceback (most recent call last):
File "C:/PROGRA~2/QGISWI~1/apps/qgis/./python/plugins\\processing\\ProcessingPlugin.py", line 155, in openConfig
dlg = ConfigDialog(self.toolbox)
File "C:/PROGRA~2/QGISWI~1/apps/qgis/./python/plugins\\processing\\gui\\ConfigDialog.py", line 63, in __init__
self.fillTree()
File "C:/PROGRA~2/QGISWI~1/apps/qgis/./python/plugins\\processing\\gui\\ConfigDialog.py", line 86, in fillTree
for setting in settings[group]:
KeyError: u'Modele'


Wersja Pythona:
2.7.4 (default, Apr 6 2013, 19:54:46) [MSC v.1500 32 bit (Intel)]

Wersja QGIS:
2.8.1-Wien Wien, exported

Lokalizacja Pythona: ['C:/PROGRA~2/QGISWI~1/apps/qgis/./python/plugins\\\\processing', 'C:/PROGRA~2/QGISWI~1/apps/qgis/./python', u'C:/Users/USERNAME/.qgis2/python', u'C:/Users/USERNAME/.qgis2/python/plugins', 'C:/PROGRA~2/QGISWI~1/apps/qgis/./python/plugins', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\bin\\\\python27.zip', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\DLLs', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib\\\\plat-win', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib\\\\lib-tk', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\bin', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib\\\\site-packages', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib\\\\site-packages\\\\PIL', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib\\\\site-packages\\\\jinja2-2.7.2-py2.7.egg', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib\\\\site-packages\\\\markupsafe-0.23-py2.7-win32.egg', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib\\\\site-packages\\\\python_dateutil-2.2-py2.7.egg', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib\\\\site-packages\\\\pytz-2014.2-py2.7.egg', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib\\\\site-packages\\\\win32', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib\\\\site-packages\\\\win32\\\\lib', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib\\\\site-packages\\\\Pythonwin', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib\\\\site-packages\\\\Shapely-1.2.18-py2.7-win32.egg', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib\\\\site-packages\\\\six-1.6.1-py2.7.egg', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\Python27\\\\lib\\\\site-packages\\\\wx-2.8-msw-unicode', u'C:/Users/USERNAME/.qgis2//python', 'C:\\\\PROGRA~2\\\\QGISWI~1\\\\apps\\\\qgis\\\\python\\\\plugins\\\\fTools\\\\tools']

The same version works perfecly on desktop with WIN 7.