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Firefox bug and Microsoft Outlook web site: Firefox will not allow Windows computer to sleep
After a new email notification sound plays from Microsoft Outlook, https://outlook.office.com/mail/, Firefox has a constant audio stream in use, preventing Windows comput… (funda kabanzi)
After a new email notification sound plays from Microsoft Outlook, https://outlook.office.com/mail/, Firefox has a constant audio stream in use, preventing Windows computers from sleeping.
How to reproduce: 1) In an Admin Command Prompt, execute "powercfg /requests" and verify nothing has a power request, especially "SYSTEM: None." 2) In Firefox, open a tab and login into a Microsoft Outlook account at https://outlook.office.com/mail/. 3) Wait for a new email which triggers an audible chime. 4) In the Admin Command Prompt, verify "powercfg /requests" reports "SYSTEM: [DRIVER] <audio-driver-specific-string> An audio stream is currently in use." Note the computer will never go to sleep due to this request. 5) Close the Firefox tab with Microsoft Outlook. 6) In the Admin Command Prompt, verify "powercfg /requests" has no power requests, especially "SYSTEM: None". Note the computer will sleep after the idle period as expected.