Try this:
Here are the instructions for installing the plugin:
Photoshop CS2 and Adobe Creative Suite 2:
Windows®:
1. Exit Photoshop CS2.
2. Open My Computer.
3. Double-click Local Disk (C:).
4. Navigate to Program Files/Common Files/Adobe/Plug-Ins/CS2/File Formats.
5. Move the existing Camera Raw.8bi plug-in to another location (for example, a new folder on your
desktop). Ensure you keep this version in case you need to revert back.
6. Copy the Camera Raw plug-in, Camera Raw.8bi, from the download into the same folder as Step
4.
7. Launch Photoshop CS2 or Adobe Bridge.
This were sent to me by Rand when I had the same problem. It worked like a charm.