Failed to load python modules

There is an error after fresh install of autopsy 4.12 in MS Win 10 Pro x64.
This error is present when python module folder in %appdata%/roaming… is empty and also when i have some catalogs with python modules.
In log there is a info:

2019-09-30 15:26:07.442 org.sleuthkit.autopsy.python.JythonModuleLoader getInterfaceImplementations
SEVERE: Failed to load python Intepreter. Cannot load python modules
Traceback (most recent call last):
File “C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\site.py”, line 585, in
File “C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\site.py”, line 567, in main
File “C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\site.py”, line 300, in addusersitepackages
File “C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\site.py”, line 289, in getusersitepackages
File “C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\sysconfig.py”, line 416, in get_path
File “C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\sysconfig.py”, line 407, in get_paths
File “C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\sysconfig.py”, line 180, in _expand_vars
File “C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\sysconfig.py”, line 154, in _subst_vars
File “C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\sysconfig.py”, line 154, in _subst_vars
UnicodeEncodeError: ‘ascii’ codec can’t encode character u’\u0141’ in position 9: ordinal not in range(128)

org.python.core.codecs.strict_errors(codecs.java:208)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:498)
org.python.core.JavaFunc.call(Py.java:2426)
org.python.core.PyObject.call(PyObject.java:431)
org.python.core.codecs.encoding_error(codecs.java:1538)
org.python.core.codecs.PyUnicode_EncodeIntLimited(codecs.java:1211)
org.python.core.codecs.PyUnicode_EncodeASCII(codecs.java:1170)
org.python.core.codecs.encode(codecs.java:165)
org.python.core.PyString.encode(PyString.java:3896)
org.python.core.PyString.encode(PyString.java:3888)
org.python.core.PyUnicode.unicode___str__(PyUnicode.java:667)
org.python.core.PyUnicode.str(PyUnicode.java:662)
org.python.core.PyString.buildFormattedString(PyString.java:4006)
org.python.core.PyString.str_format(PyString.java:3941)
org.python.core.PyString$str_format_exposer.call(Unknown Source)
org.python.core.PyObject._callextra(PyObject.java:601)
sysconfig$py._subst_vars$3(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\sysconfig.py:159)
sysconfig$py.call_function(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\sysconfig.py)
org.python.core.PyTableCode.call(PyTableCode.java:167)
org.python.core.PyBaseCode.call(PyBaseCode.java:153)
org.python.core.PyFunction.call(PyFunction.java:423)
sysconfig$py._expand_vars$5(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\sysconfig.py:181)
sysconfig$py.call_function(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\sysconfig.py)
org.python.core.PyTableCode.call(PyTableCode.java:167)
org.python.core.PyBaseCode.call(PyBaseCode.java:153)
org.python.core.PyFunction.call(PyFunction.java:423)
sysconfig$py.get_paths$17(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\sysconfig.py:409)
sysconfig$py.call_function(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\sysconfig.py)
org.python.core.PyTableCode.call(PyTableCode.java:167)
org.python.core.PyBaseCode.call(PyBaseCode.java:170)
org.python.core.PyFunction.call(PyFunction.java:434)
sysconfig$py.get_path$18(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\sysconfig.py:416)
sysconfig$py.call_function(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\sysconfig.py)
org.python.core.PyTableCode.call(PyTableCode.java:167)
org.python.core.PyBaseCode.call(PyBaseCode.java:307)
org.python.core.PyBaseCode.call(PyBaseCode.java:145)
org.python.core.PyFunction.call(PyFunction.java:423)
site$py.getusersitepackages$10(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\site.py:290)
site$py.call_function(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\site.py)
org.python.core.PyTableCode.call(PyTableCode.java:167)
org.python.core.PyBaseCode.call(PyBaseCode.java:124)
org.python.core.PyFunction.call(PyFunction.java:403)
site$py.addusersitepackages$11(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\site.py:304)
site$py.call_function(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\site.py)
org.python.core.PyTableCode.call(PyTableCode.java:167)
org.python.core.PyBaseCode.call(PyBaseCode.java:138)
org.python.core.PyFunction.call(PyFunction.java:413)
site$py.main$34(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\site.py:583)
site$py.call_function(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\site.py)
org.python.core.PyTableCode.call(PyTableCode.java:167)
org.python.core.PyBaseCode.call(PyBaseCode.java:124)
org.python.core.PyFunction.call(PyFunction.java:403)
site$py.f$0(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\site.py:637)
site$py.call_function(C:\Program Files\Autopsy-4.12.0\autopsy\modules\ext\jython-standalone-2.7.0.jar\Lib\site.py)
org.python.core.PyTableCode.call(PyTableCode.java:167)
org.python.core.PyCode.call(PyCode.java:18)
org.python.core.imp.createFromCode(imp.java:436)
org.python.core.util.importer.importer_load_module(importer.java:109)
org.python.modules.zipimport.zipimporter.zipimporter_load_module(zipimporter.java:163)
org.python.modules.zipimport.zipimporter$zipimporter_load_module_exposer.call(Unknown Source)
org.python.core.PyBuiltinMethodNarrow.call(PyBuiltinMethodNarrow.java:46)
org.python.core.imp.loadFromLoader(imp.java:587)
org.python.core.imp.find_module(imp.java:537)
org.python.core.imp.import_next(imp.java:840)
org.python.core.imp.import_first(imp.java:861)
org.python.core.imp.load(imp.java:716)
org.python.core.Py.importSiteIfSelected(Py.java:1558)
org.python.util.PythonInterpreter.(PythonInterpreter.java:116)
org.python.util.PythonInterpreter.(PythonInterpreter.java:94)
org.python.util.PythonInterpreter.(PythonInterpreter.java:71)
org.sleuthkit.autopsy.python.JythonModuleLoader.getInterfaceImplementations(JythonModuleLoader.java:80)
org.sleuthkit.autopsy.python.JythonModuleLoader.getIngestModuleFactories(JythonModuleLoader.java:60)
org.sleuthkit.autopsy.ingest.IngestModuleFactoryLoader.getIngestModuleFactories(IngestModuleFactoryLoader.java:129)
org.sleuthkit.autopsy.ingest.IngestJobSettings.load(IngestJobSettings.java:315)
org.sleuthkit.autopsy.ingest.IngestJobSettings.(IngestJobSettings.java:118)
org.sleuthkit.autopsy.ingest.IngestJobSettings.(IngestJobSettings.java:93)
org.sleuthkit.autopsy.commandlineingest.CommandLineIngestSettingsPanel.displayIngestJobSettingsPanel(CommandLineIngestSettingsPanel.java:225)
org.sleuthkit.autopsy.commandlineingest.CommandLineIngestSettingsPanel.bnEditIngestSettingsActionPerformed(CommandLineIngestSettingsPanel.java:371)
org.sleuthkit.autopsy.commandlineingest.CommandLineIngestSettingsPanel.access$200(CommandLineIngestSettingsPanel.java:42)
org.sleuthkit.autopsy.commandlineingest.CommandLineIngestSettingsPanel$1.actionPerformed(CommandLineIngestSettingsPanel.java:278)
javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
java.awt.Component.processMouseEvent(Component.java:6539)
javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
java.awt.Component.processEvent(Component.java:6304)
java.awt.Container.processEvent(Container.java:2239)
java.awt.Component.dispatchEventImpl(Component.java:4889)
java.awt.Container.dispatchEventImpl(Container.java:2297)
java.awt.Component.dispatchEvent(Component.java:4711)
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904)
java.awt.LightweightDispatcher.processMouseEvent(Container.java:4535)
java.awt.LightweightDispatcher.dispatchEvent(Container.java:4476)
java.awt.Container.dispatchEventImpl(Container.java:2283)
java.awt.Window.dispatchEventImpl(Window.java:2746)
java.awt.Component.dispatchEvent(Component.java:4711)
java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760)
java.awt.EventQueue.access$500(EventQueue.java:97)
java.awt.EventQueue$3.run(EventQueue.java:709)
java.awt.EventQueue$3.run(EventQueue.java:703)
java.security.AccessController.doPrivileged(Native Method)
java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
java.awt.EventQueue$4.run(EventQueue.java:733)
java.awt.EventQueue$4.run(EventQueue.java:731)
java.security.AccessController.doPrivileged(Native Method)
java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

Thanks in advance for any help,

My guess is the python intepreter is not loading. Try adding the python directory location to your Windows environment variable named “Path”.

Something like explained at https://geek-university.com/python/add-python-to-the-windows-path/