What is your in-game resolution set to when get to crash?
My in-game resolution is 1152x720(wide)
It might crash your game anyway but at least you can try.
In the folder:
...\World of Warcraft\Data\enUS\Interface\Cinematics\Detele the following files:
DSI_Act1_800.avi (5.9 MB)
DSI_Act1_1280.avi (9.2 MB)
DSI_Act2_800.avi (4.2 MB)
DSI_Act2_1280.avi (6.6 MB)
DSI_Act3_800.avi (5.4 MB)
DSI_Act3_1280.avi (8.6 MB)
Then launch the game through Wow.exe bypassing the launcher. (You need to bypass the launcher because if you dont, it will just re-download the cinematics. The game wont stream the cinematics because they weren't included in the mfil.)
If it works you will see a message saying the cinematic isnt available. If it doesnt work your game will crash.
OK seems like this is the go to thread now.
So I tried to locate the 3 DSI cutscene .avis in the cinematics folder, they are not even there...
World of Warcraft\Data\Interface\Cinematicsand
World of Warcraft\Data\enUS\Interface\Cinematics
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