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• PlayStation®: NA and EU megaservers for patch maintenance – November 13, 4:00AM EST (9:00 UTC) - 12:00PM EST (17:00 UTC)
I've had that problem since Flames of Ambition. The only "fix" was not using whatever window mode caused it and switching to another. For me it is fullscreen instead of windowed/windowed full screen.
If I don't play in fullscreen it flashes terribly and stutters.