If you find that the above fix didn’t solve the Age of Mythology initialization failed error try checking the official Microsoft Support Ticket for more information. Occasionally this error has been seen to be caused by other issues as well. After you’ve removed this option and changed your in game resolution, try restarting the game again and see if you’re still experiencing the Age of Mythology initialization failed error.
If you don’t remove the xres=640 option it will continue to override your ingame resolution. Change your resolution in game and remove xres=640 from your shortcut.“C:\Program Files\Age of Mythology\aomx.exe” xres=640. This option will force your game to run with the lowest supported resolution: 640 x 480. Under the shortcut tab of your properties menu, in the target field add a space and then the following option after the location of the. Right click on your Age of Mythology shortcut and select properties.Unfortunately if your resolution is too big for your screen you can no longer start the game to change the resolution back.
This error has also been known to be caused by out of date directX or video card drivers. If you have set your resolution to be larger than what your monitor can support you might encounter the Age of Mythology Initialization Failed error.