Guide to make the game not run like shit:

Go to Program Files/GamersFirst/APB Reloaded/APBGame/Config/

Open APBCompat.ini
Change each of these from true to false:
bCompressNormalTextures=
(there should be 3), save the file and make it read only.

Open APBMachineoptions.ini, add in this below the default settings in the system settings area:

AllowD3D9=False
AllowD3D8=False
AllowD3D7=False
AllowD3D10=True
AllowD3D11=False
bSmoothFrameRate=False
MinSmoothedFrameRate=22
MaxSmoothedFrameRate=120
OneFrameThreadLag=False

save it, read only it.