Strange glitch

[zezodeath]

Hello everybody i am new in here and i have a litle problem with the demo!(I am not english so it's hard to tell the bugs...)

So i start the game everything is ok. But when i am a litle bit before the first monster the game reverse.... i mean for exemple:I see the hands of Daniel in the up left corner of my screen and then the flashback apear! It returns to normal two seconds after the bugs return and still.... The bouton are reverse when that's happen so i have a lot of problems o past this part... i will try to do a video to show you!

http://www.youtube.com/watch?v=445w_1kP9Bo

[xiphirx]

Graphics card please.

[zezodeath]

Graphics card please.

radeon 2600

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Hmm just for knowing did it's take a moment before when can see the message because i post an another one and i can't see it/ If you dont receive it : 2600 radeon i have vista and i can make run bigger game thank that ^_^

Edit: oh ok i get it now xD