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[Fx34 - Win] "Profile Missing" error when using the "Close Firefox" button in the "Firefox is already running" dialog

  1. Related bug:

    • Bug 1068657 - Sometimes "Profile Missing" dialog appears after closing the Firefox process in the "Firefox already running" dialog
    Related bug: *[https://bugzilla.mozilla.org/show_bug.cgi?id=1068657 Bug 1068657] - Sometimes "Profile Missing" dialog appears after closing the Firefox process in the "Firefox already running" dialog
  2. P.S. Some details copied from the bug description:

    7. When the "Firefox already running" dialog appears, quickly click on the <Close Firefox> button.
    
    Expected results: 
    "Firefox already running" dialog is dismissed, the firefox task is closed after a few seconds, and Firefox is automatically restarted.
    
    Actual results:
    Sometimes the "Profile Missing" dialog appears. After dismissing the dialog, Firefox does NOT restart automatically. After the initial process is finally killed (automatically after several seconds), then you can manually start Firefox again. See http://www.screencast.com/t/d8cXT4J3AMKZ 
    
    Notes:
    - the issue is a follow up from bug 286355 which introduced the new "Firefox already running" dialog with the option to Close Firefox if the task is still running.
    
    P.S. Some details copied from the bug description: 7. When the "Firefox already running" dialog appears, quickly click on the <Close Firefox> button. Expected results: "Firefox already running" dialog is dismissed, the firefox task is closed after a few seconds, and Firefox is automatically restarted. Actual results: Sometimes the "Profile Missing" dialog appears. After dismissing the dialog, Firefox does NOT restart automatically. After the initial process is finally killed (automatically after several seconds), then you can manually start Firefox again. See http://www.screencast.com/t/d8cXT4J3AMKZ Notes: - the issue is a follow up from [https://bugzilla.mozilla.org/show_bug.cgi?id=286355 bug 286355] which introduced the new "Firefox already running" dialog with the option to Close Firefox if the task is still running.
  3. I just discovered that the new "Firefox is already running" dialog with the "Close Firefox" button isn't available on Windows XP. See https://bugzilla.mozilla.org/show_bug.cgi?id=286355#c53

    I made an edit to my pending revision to change {for win, fx34} to {for win7, win8, fx34}

    I just discovered that the new "Firefox is already running" dialog with the "Close Firefox" button isn't available on Windows XP. See https://bugzilla.mozilla.org/show_bug.cgi?id=286355#c53 I made an edit to my pending revision to change {for win, fx34} to {for win7, win8, fx34}