I had the same problem after upgrading my system from Win XP to Win 8.1. I got around it by right-clicking on the Dragon Age shortcut on the desktop and choosing the "Run as administrator" option.
The clean reboot, install, repair does not work for me.
When I attempt to load the Nvidia driver, Nvidia says I have a newer version and aborts the install.
Any other ideas?
Found solution that worked for me, have AMD GPU´s but got that message still.
I think problem is the Origin launcher that does something odd, that gives this error :>
>>Go to "C:\Program Files (x86)\Origin Games\Dragon Age\bin_ship"
>>Launch "DAOriginsConfig.exe" and then configure settings.
I adjusted only "Video tab" :>
>>Then copy "daorigins.exe" and paste shortcut to desktop for easy access later
or launch game directly with "daorigins.exe".
If using Nvidia GPUs I would recommend test with latest drivers and run exe like above before trying older versions again.
If still having issues after that I would use "Display Driver Uninstaller" to get an proper driver install.
I always use this to install new drivers, when I change number of GPU´s, when adding new GPU´s,
and when swapping from AMD to NVidia or other way around. Helps avoiding issues
Why do I have to go through all of this for something that i paid? Can you work on this problem and realease a patch or something? After all, you are EA, huge corp. I think that you can afford this!