https://forums.opera.com/topic/30392/opera-window-flashes-with-toutube-on-win10-64/1?lang=en-US
Opera window flashes with toutube on Win10 64 | Opera forums
Jan 7, 2019 - So, the whole opera window goes blank for a moment when changing youtube pages. Any workarond there? Thanks! Version 57.0.3098.110
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