[jitsi-dev] Jitsi changing audio settings



we have recently switched to VoIP and are using jitsi on 50+ machines. Most
of them without any bigger problems. But some (rather vital) users have the
following problem:

When starting Jitsi all is well but at some point during the day the audio
settings of Jitsi are changed and can't be undone until the user has shut
down and restarted Jitsi.

Is this a windows problem and how can we get this to stick to one setting.
The users complaining about this problem all use a wireless headset