Combat Arms: the Classic is a free to play, online multiplayer first-person shooter.
It is the vanilla version of Combat Arms right before the Reloaded release.
It features the old and classic combat arms. The specialist, specialist items and more.
The drivers installed for your video hardware are likely out of date.
Confirm the manufacture of your video card and access their website to download the latest video card drivers.
Here are links to some of the common providers of video cards/video chipsets.
AMD/Radeon (Catalyst Drivers)
The links provided are from the US sites and may be different depending on your region.