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Other Firefox windows go black sometimes when streaming audio & video
This problem happens on two computers, on one it regularly happens when streaming audio podcasts, on the other (where I don't stream these podcasts), it happens when streaming video. It is occasional and by no means happens every time something is streaming, but occurs perhaps once a day on each PC. Both PCs run Windows 7 x64 with the latest Firefox. Both are running late generation Intel i5 processors with integrated audio/video, and updated drivers.
When streaming audio or video in one FF window, another FF window may suddenly go blank, where the window frame still shows, but the entire body is black. If I close that blank window, the problem often, but not always, moves to another window that is open. Closing all FF windows fixes the problem until it occurs the next time, which may be hours of similar activity later. This is a problem that began in the last few months. These PCs are also new in about that time frame, so it's not clear whether the onset of this problem might be due to recent FF releases, or FF conflicts with drivers in these new machines. I run a handful of 3rd party FF extensions that are common to both PCs as well.
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