Second Download Link
Instructions hrmm, Its pretty simple, just Install and Well, On the extended Tab Info all the Way at the Bottom
If any of the following Entries have a Value Greater then 0 then your Harddrive is probably on its way out.
Reallocated Sector Count
Reallocation Event Count
Current Pending Sector Count (Unstable Sectors)
Uncorrectable Sector Count
Write Error Rate
The Smart Tab is also kinda confusing, The Value, is the Current Value, The worst Is the The Last Value since the program updated, and the Threshhold is the Number in which it shouldn't go above. I think, Like I said, Its confusing.