Browse Mode with NVDA 2016.2 not working

Ethan
 

Hello all:

I was not sure where to post this so I apologize if this is off topic.

When I am using NVDA on the web in Firefox or Internet Explorer, it
does not read the page content. I am able to press tab to move through
the elements on the page, but when I press up or down arrow, nothing
happens. It is acting as if it is in browse mode and I am unable to
exit out of browse mode. No audible tones are heard to indicate
entering or exit of browse mode.
Ever since NVDA 2015.4 or NVDA 2016.1, I have been unable to use the
latest version of NVDA on my work computer. Instead, I am using NVDA
2015.3. This problem appears to happen both on a portable copy and an
installed copy which makes me think it has to do something with
dependent software that needs to be updated on the individual
computer. Here is my log viewer on debug mode at the error point:
WindowsError: [Error 1702] The binding handle is invalid

// Start of log:
INFO - __main__ (16:15:53):
Starting NVDA
INFO - core.main (16:15:53):
Config dir: E:\NVDA 2016.2\userConfig
DEBUG - core.main (16:15:53):
setting language to Windows
INFO - core.main (16:15:53):
NVDA version 2016.2
INFO - core.main (16:15:53):
Using Windows version 6.1.7601 service pack 1 workstation
INFO - core.main (16:15:53):
Using Python version 2.7.11 (v2.7.11:6d1b6a68f775, Dec 5 2015,
20:32:19) [MSC v.1500 32 bit (Intel)]
INFO - core.main (16:15:53):
Using comtypes version 0.6.2
DEBUG - core.main (16:15:53):
Initializing addons system.
DEBUG - addonHandler._getAvailableAddonsFromPath (16:15:53):
Listing add-ons from E:\NVDA 2016.2\userConfig\addons
DEBUG - core.main (16:15:54):
Initializing appModule Handler
DEBUG - core.main (16:15:54):
Initializing NVDAHelper
DEBUG - core.main (16:15:54):
Speech Dictionary processing
DEBUG - speechDictHandler.SpeechDict.load (16:15:54):
Loading speech dictionary '.\userConfig\speechDicts\default.dic'...
DEBUG - speechDictHandler.SpeechDict.load (16:15:54):
file '.\userConfig\speechDicts\default.dic' not found.
DEBUG - speechDictHandler.SpeechDict.load (16:15:54):
Loading speech dictionary 'builtin.dic'...
DEBUG - speechDictHandler.SpeechDict.load (16:15:54):
3 loaded records.
DEBUG - core.main (16:15:54):
Initializing speech
INFO - synthDrivers.espeak.SynthDriver.__init__ (16:15:54):
Using eSpeak version 1.48.15 16.Apr.15
DEBUG - speechDictHandler.SpeechDict.load (16:15:54):
Loading speech dictionary '.\userConfig\speechDicts\espeak-english.dic'...
DEBUG - speechDictHandler.SpeechDict.load (16:15:54):
file '.\userConfig\speechDicts\espeak-english.dic' not found.
INFO - synthDriverHandler.setSynth (16:15:54):
Loaded synthDriver espeak
INFO - core.main (16:15:54):
Using wx version 3.0.2.0 msw (classic)
DEBUG - core.main (16:15:54):
Initializing braille
INFO - braille.initialize (16:15:54):
Using liblouis version 2.6.5
INFO - braille.BrailleHandler.setDisplayByName (16:15:54):
Loaded braille display driver noBraille, current display has 0 cells.
DEBUG - core.main (16:15:54):
Initializing braille input
INFO - brailleInput.initialize (16:15:54):
Braille input initialized
DEBUG - core.main (16:15:54):
Initializing displayModel
DEBUG - core.main (16:15:54):
Initializing GUI
DEBUG - core.main (16:15:54):
initializing Java Access Bridge support
DEBUG - core.main (16:15:54):
Initializing winConsole support
DEBUG - core.main (16:15:54):
Initializing UIA support
DEBUG - core.main (16:15:54):
Initializing IAccessible support
DEBUG - core.main (16:15:54):
Initializing input core
DEBUGWARNING - inputCore.InputManager.loadLocaleGestureMap (16:15:54):
No locale gesture map for language en
DEBUGWARNING - inputCore.InputManager.loadUserGestureMap (16:15:54):
No user gesture map
DEBUG - core.main (16:15:54):
Initializing keyboard handler
DEBUG - core.main (16:15:54):
initializing mouse handler
DEBUG - core.main (16:15:54):
Initializing touchHandler
DEBUGWARNING - touchHandler.initialize (16:15:54):
Touch only supported on installed copies
DEBUG - core.main (16:15:54):
Initializing global plugin handler
DEBUG - core.main (16:15:54):
Initializing core pump
DEBUG - core.main (16:15:54):
Initializing watchdog
DEBUG - core.main (16:15:54):
initializing updateCheck
INFO - core.main (16:15:54):
NVDA initialized
DEBUG - core.main (16:15:54):
entering wx application main loop
IO - speech.speak (16:15:55):
Speaking [LangChangeCommand ('en_GB'), u'Google - Mozilla Firefox
icon 2 of 3']
IO - speech.speak (16:15:55):
Speaking [LangChangeCommand ('en_GB'), u'Google - Mozilla Firefox']
DEBUG - treeInterceptorHandler.update (16:15:55):
Adding new treeInterceptor to runningTable:
<virtualBuffers.gecko_ia2.Gecko_ia2 object at 0x059ACDF0>
ERROR - virtualBuffers.Gecko_ia2._loadBuffer (16:15:55):
Traceback (most recent call last):
File "virtualBuffers\__init__.pyo", line 369, in _loadBuffer
WindowsError: [Error 1702] The binding handle is invalid

Thank you for any information you can provide,

Ethan

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