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Firefox is automatically decreasing the system volume when playing media

  • 2 replies
  • 1 has this problem
  • Last reply by Morbus

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everytime i load a site that has music/media on it (youtube etc) whilst i'm watching videos in mplayer, miro or vlc the system volume for that sound 'device' (in the windows 7 sound mixer) will be lowered

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Hello Steve.

You may be having a problem with some extension or plugin that is hindering your Firefox's normal behavior. Have you tried disabling all add-ons (just to check), to see if Firefox goes back to normal?

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Try to clear the Flash cookies and settings. Flash Local Storage -

If that didn't help then try to delete the and #SharedObjects folders to reset all Flash cookies and settings. XP: C:\Documents and Settings\<user>\Application Data\Macromedia\Flash Player\ Vista: C:\Users\<user>\AppData\Roaming\Macromedia\Flash Player\

"Application Data" in XP/Win2K and "AppData" in Vista/Windows 7 are hidden folders, use %APPDATA% in the File name field. See also