Comp isn't running any games. halp

[Jei]

My computer isn't running any games. I just bought Titan Quest and heros of might and magic V, installed both, and when I click on the icon, nothing happens. I deleted the windows update KB917422, because I heard it may conflict with titan quest, and it didn't fix anything. So I put in Warcraft 3. That one doesn't work either. I have no idea what might be up. The CD rom recognizes it, can install it and everything, and when i go to click it, it just sits there.

specs -

windows xp
radeon 9800 pro
1gig of ram
2ghz processor

is there an earlier update or something that may conflict with games? I noticed that Warcraft 3 didn't work a few months back when I tried to put it in, but i just brushed it aside. I haven't bought a new game since then, so I thought it was just warcraft 3 and kept playing CS and things that were installed on my computer. I forgot that warcraft wasn't working, and didn't think that it meant that ALL games wouldn't work, so i bought TQ and heroes V.

it's pretty frustrating. anyways, any help would be appreciated. thanks in advance =]

oh yeah, i'll add this in too. while heroes and titan quest don't work, things already installed on my computer do work. world of warcraft, CS, dungeon siege 2 (although it's a cracked copy), ect.

[Gidan]

Check your event viewer and let us know what errors are being listed. It’s probably Settings -> Control Panel -> Administrative Tools -> Event Viewer. You will want to look at the applications section.

[Jei]

I went to the event viewer, and I couldn't find anything for starting the games. To be sure, I closed everything, clicked on a game, nothing happened, and then went into the event viewer, and still nothing was there. It doesn't give me an error or anything when I click a game, it just gives me a little hour glass for a second, and then that's it. the mouse pointer goes back to normal and nothing happens

[Harrison]

Reinstall Direct X9.0c

THEN

Reinstall your video drivers, or find new ones.

[Jei]

Also, I just popped in an audio CD and it opened and played that fine.