Well that is not too helpful, you need to give me a little more info before I can help. 
What does "does not work" mean? How does it not work? does it give you any kind of feed back such as an error message.
Here are somethings to get you started.
1) Make sure you have the latest patch for the game.
2) Rename the AVI folder to AVI_back
3) Set the color depth to 16BIT
4) Turn off everything in the background like E-mail/ICQ/Messenger, Virus protection and everything in the system tray beside the clock.
5) Update your Windows, update your Video card drivers and audio card drivers. Then repeat steps 1-3.
What does "does not work" mean? How does it not work? does it give you any kind of feed back such as an error message.
Here are somethings to get you started.
1) Make sure you have the latest patch for the game.
2) Rename the AVI folder to AVI_back
3) Set the color depth to 16BIT
4) Turn off everything in the background like E-mail/ICQ/Messenger, Virus protection and everything in the system tray beside the clock.
5) Update your Windows, update your Video card drivers and audio card drivers. Then repeat steps 1-3.