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Audio file plays randomly drowning out everything else, can't track it down but closing Firefox cuts it short so it seems to be linked.

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Any time Firefox is open, regardless of what site(s) I am on, it will randomly play this short audio file that fades out to inaudibility over about 15~20 seconds. It doesn't even happen on a regular schedule, sometimes every couple minutes, other times hours apart. I can't track it down but closing Firefox cuts it off instead of letting it play through.

Any time Firefox is open, regardless of what site(s) I am on, it will randomly play this short audio file that fades out to inaudibility over about 15~20 seconds. It doesn't even happen on a regular schedule, sometimes every couple minutes, other times hours apart. I can't track it down but closing Firefox cuts it off instead of letting it play through.

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Separate Issue; Your System Details shows;

Installed Plug-ins

Shockwave Flash 13.0 r0 Shockwave Flash 15.0 r0

Having more than one version of a program may cause issues.

Grab the uninstaller from here: Uninstall Flash Player | Windows Uninstall Flash Player | Mac Then reinstall the latest version.

Flash Player v15.0.0. 239 http://get.adobe.com/flashplayer/


Start Firefox in Safe Mode {web link} While you are in safe mode;

Type about:preferences#advanced<Enter> in the address bar.

Under Advanced, Select General. Look for and turn off Use Hardware Acceleration.

Poke around safe web sites. Are there any problems?

Then restart.