You will need to update your windows operating system, Click the
Start button, click
All Programs, and then click
Windows Update
After you update your Windows OS, check and see if the game will play. If it does not play, click on this link below to download the free
Adaware program, this program will scan your
hard drive and remove the garbage that might be preventing your game from loading.
http://download.cnet.com/Ad-Aware-Free-Anti-Malware/3000-8022_4-10045910.html
After you download that program, download this free program and run it to remove the registry errors your computer may have that are preventing your computer from running the game
http://download.cnet.com/Abexo-Free-Registry-Cleaner/3000-2094_4-10434887.html
The last thing to do is update your graphics card, find the name and model number of your video card and download the latest drivers from the manufactures website