Steps to reproduce:

Open Instantbird and try to read the tabs or the windows title.

Actual behavior:

You just get the pings for a error.

Expected behavior:

It should read the windows title and the name of the chats that are the tabs you have open.

System configuration

NVDA installed/portable/running from source:

Installed

NVDA version:

NVDA Version: alpha-24876,2325be89

Windows version:

Windows 11

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

Instantbird 1.5

Other information about your system:

Other questions

Does the issue still occur after restarting your computer?

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

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

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

Here is a bit from my log.

ERROR - eventHandler.executeEvent (23:02:18.998) - MainThread (784):
error executing event: gainFocus on <NVDAObjects.Dynamic_DocumentMozillaIAccessible object at 0x06CDBD10> with extra args of {}
Traceback (most recent call last):
File "eventHandler.pyc", line 279, in executeEvent
File "eventHandler.pyc", line 327, in doPreGainFocus
File "browseMode.pyc", line 1321, in event_treeInterceptor_gainFocus
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: (-2147467262, 'No such interface supported', (None, None, None, 0, None))