UE3 after installation i open the program and everything is pink

I installed UE3 and when I open the program everything has a pink tinge to it and everything is duplicated, ie the builder brush and any emitter’s are all mirrored . Any help would be great as I need this for study.

This is the answer hub for Unreal Engine 4, You might have better luck at the old forum:UDK - Epic Games Forums and here: UDN | WebHome