Full Screen Crash

Build UT2004_Build_[2004-11-11_10.48]



OS: Windows NT 6.1 (Build: 7601)

CPU: AuthenticAMD Unknown processor @ 3315 MHz with 4095MB RAM

Video: AMD Radeon HD 6670 (1280)



General protection fault!



History: UWindowsViewport::Exec <- APlayerController::execConsoleCommand <- (UT2K4VideoChangeOK Package.UT2K4VideoChangeOK @ Function GUI2K4.UT2K4VideoChangeOK.ChangeResolution : 02AF) <- UObject::execDelegateFunction <- (moCheckBox Package.moCheckBox @ Function XInterface.GUIMenuOption.InternalOnChange : 0035) <- UObject::execDelegateFunction <- (GUICheckBoxButton Package.GUICheckBoxButton @ Function XInterface.GUIGFXButton.InternalOnClick : 0023) <- UObject::ProcessEvent <- (moCheckBox Package.moCheckBox, Function XInterface.moCheckBox.InternalClick) <- UObject::ProcessDelegate <- UGUIComponent::MouseReleased <- (GUICheckBoxButton Package.GUICheckBoxButton) <- UGUIController::MouseReleased <- UGUIController::NativeKeyEvent::LeftMouseClick <- UGUIController::NativeKeyEvent <- UInteractionMaster::MasterProcessKeyEvent <- UEngine::InputEvent <- UWindowsViewport::CauseInputEvent <- UWindowsViewport::UpdateInput <- UViewport::ReadInput <- APlayerController::Tick <- TickAllActors <- ULevel::Tick <- (NetMode=0) <- TickLevel <- UGameEngine::Tick <- Level Untitled <- UpdateWorld <- MainLoop <- FMallocWindows::Free <- FMallocWindows::Realloc <- 726F6F6C 0 FArray <- FArray::Realloc <- 0*2 <- FMallocWindows::Free



I've had this game for quite a while, and now I'm receiving this error. Can I have some help with this? It only crashes when I go into Fullscreen.