Reported by elliott94 on 2012-10-20 13:16
I've received the following error in the log several times. It doesn't seem to cause any bad effects, but it's not just limited to one app so I figured their'd be no harm in filing a ticket. This particular entry is from the NVDA updater progress bar.

ERROR - eventHandler.executeEvent (14:08:17):
error executing event: valueChange on <NVDAObjects.Dynamic_ProgressBarIAccessibleWindowNVDAObject object at 0x05404250> with extra args of {}
Traceback (most recent call last):
File "eventHandler.pyc", line 136, in executeEvent
File "eventHandler.pyc", line 84, in init
File "eventHandler.pyc", line 91, in next
File "NVDAObjects\behaviors.pyc", line 50, in event_valueChange
File "tones.pyc", line 42, in beep
File "nvwave.pyc", line 164, in feed
File "nvwave.pyc", line 146, in open
File "nvwave.pyc", line 84, in _winmm_errcheck
WindowsError: 4 The specified device is already in use. Wait until it is free, and then try again.