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Intermittent error sounds in Firefox after introduction of PR #13399 #13433

@lukaszgo1

Description

@lukaszgo1

Steps to reproduce:

There is no clear STR for this issue as the error is intermittent. The problem occurs most often when clicking on a link which opens a new page in Firefox.

Actual behavior:

Error sound plays and the following is in the log:

ERROR - eventHandler.executeEvent (15:38:45.771) - MainThread (5616):
error executing event: gainFocus on <NVDAObjects.Dynamic_EditableTextWithAutoSelectDetectionEditorMozillaIAccessible object at 0x077E5590> with extra args of {}
Traceback (most recent call last):
  File "eventHandler.pyc", line 284, in executeEvent
  File "eventHandler.pyc", line 98, in __init__
  File "eventHandler.pyc", line 107, in next
  File "D:\nvda_py3.8\userConfig\addons\remote\globalPlugins\remoteClient\__init__.py", line 458, in event_gainFocus
    nextHandler()
  File "eventHandler.pyc", line 107, in next
  File "D:\nvda_py3.8\userConfig\addons\unicornNVDA\globalPlugins\unicorn\__init__.py", line 345, in event_gainFocus
    nextHandler()
  File "eventHandler.pyc", line 107, in next
  File "NVDAObjects\behaviors.pyc", line 241, in event_gainFocus
  File "NVDAObjects\__init__.pyc", line 1152, in event_gainFocus
  File "NVDAObjects\__init__.pyc", line 1052, in reportFocus
  File "speech\speech.pyc", line 558, in speakObject
  File "speech\speech.pyc", line 601, in getObjectSpeech
  File "speech\speech.pyc", line 433, in getObjectPropertiesSpeech
  File "NVDAObjects\IAccessible\mozilla.pyc", line 82, in hasDetails
  File "baseObject.pyc", line 42, in __get__
  File "baseObject.pyc", line 146, in _getPropertyViaCache
  File "NVDAObjects\IAccessible\__init__.pyc", line 1554, in _get_detailsRelations
  File "NVDAObjects\IAccessible\__init__.pyc", line 1497, in _getIA2TargetsForRelationsOfType
  File "comtypes\__init__.pyc", line 1152, in QueryInterface
  File "monkeyPatches\comtypesMonkeyPatches.pyc", line 32, in __call__
_ctypes.COMError: (-2147417836, 'Requested object does not exist.', (None, None, None, 0, None))

Expected behavior:

No error

System configuration

NVDA installed/portable/running from source:

Portable

NVDA version:

alpha-24876,2325be89

Windows version:

Windows 7 X64

Name and version of other software in use when reproducing the issue:

Firefox Nightly 99 X64

Other information about your system:

Other questions

Does the issue still occur after restarting your computer?

Yes, it does

Have you tried any other versions of NVDA? If so, please report their behaviors.

No problem with versions of NVDA before #13399

If NVDA add-ons are disabled, is your problem still occurring?

Yes

Does the issue still occur after you run the COM Registration Fixing Tool in NVDA's tools menu?

Not tried.

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