Anyone had luck with Soyo Kiky X-Series Playstation/USB controller adapter?

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I bought a Soyo Kiky X-Series Playstation/USB controller adapter so I could use my Playstation 2 controller with my PC (specifically for Grand Theft Auto 3). I installed the controller, and everything seems to work fine in Control Panel. However, GTA3 will not load with the thing plugged into my USB port - my computer just sits, and the game doesn't load. If I take the plug out of the USB port, the games continues to load as normal. Anyone else had a similar experience?