Hi there
If you have windows xp
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Uninstall WD Smartware and restart the computer
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Make sure your computer has adobe flash player and microsoft .net framework 3.5
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Re install WD Smartware
If you have Windows 7 do step 1, on step 2 just make sure you have adobe flash player and then do step 3.
This is a basic troubleshooting, let me know if that works