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Why does firefox not launch if a quicktime video is open on my desktop in windows 74 64bit?

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  • 1 has this problem
  • Last reply by FredMcD

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Whenever I have itunes or even a quicktime video file open on my desktop (Win 7 64bit), Firefox (v.48.0.2) will not launch. If I close iTunes or the quicktime file, then it will launch and then I have to re-launch the other applications again. Can't figure out why Firefox does this. This has been happening for over a year and I'm finally getting frustrated enough to post and ask why. It's a hassle when you are viewing a quicktime movie, a tutorial for example, then need to check something out online, Firefox just will not launch unless the quicktime video is closed first, why is that? I can repeat this issue consistently.

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Start Firefox in Safe Mode {web Link} by holding down the <Shift>
key, and then starting Firefox. A small dialog should appear. Click Start In Safe Mode (not Refresh).

Is the problem still there?