UDK-based games crash in fullscreen mode for non-admin users

I have installed and tried to run three different Unreal-based games on my computer, all of which have same problem (namely Strike Vector, Hawken, and Antichamber; computer is less than a year old, runs Windows 8, all games purchased and downloaded through Valve’s Steam service). When I launch game, it gets as far as opening game window and playing about a quarter-second of sound (indicating “Made with Unreal” video clip is attempting to play). At this point game window collapses and program fails to proceed; no visuals of any kind are ever seen. Attempting to re-open game window causes issue to repeat itself. This only happens in fullscreen mode; playing in windowed mode causes no problems.

For security reasons, I do all my computer activity on a limited-user account rather than default administrative account (which I have password protected). On admin account, these games run fine in fullscreen mode, but on limited account I keep running into this bug. Going into games’ settings through Windows and granting “Run as admin” privileges has gotten around problem, but is only a temporary fix; games do not seem to retain these privileges after closing down.

I have never had this problem with any other game engine, and it seems to be main aspect these games have in common. I’m not a developer, so I don’t have knowledge base to be much more specific than this, but I think there’s enough information here that respondents can reproduce issue and examine it more closely. Hopefully someone here will have a better idea of what’s going on and how to fix it permanently. Thank you for your time.

Hi merely1man,

This site is for UE4 development questions only. best place to report this sort of thing is on UDK forums:

Thanks!