Using Version 2012 (Build 16.4.3528.0331) on Windows 7 with Service Pack 1

- Messages arriving do not trigger a sound notification

- The "Play sound when new messages arrive" option is ticked

- There is one IMAP account currently configured

- System sounds and audio are working normally (OK)

- Other applications trigger sounds normally (OK)

- A different mail client [configured with other IMAP accounts] is able to trigger sounds as expected when new mail arrives

- Windows Live Mail is configured to "Only show notifications" (same as the other email client).  Changing this option does not make a difference

Is there a known issue with this?

Thanks,

DaveCe