Hello Lilyana,
Thank you for posting on Windows Vista Forums. It seems that you will need to reinstall your video card drivers. The error is saying that it's not detecting a Direct X 9.0c video card, which is usually a sign that the video card driver is gone or your card is failing. Let's try the cheaper and easiler option; reinstall the graphics driver.
Please let me know if this helps you.
Zack
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