If Vista Defragmentation never finish, is there a solution?

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http://hardforum.com – http://answers.microsoft.com/en-us/w...3-4f4bf69cbc36 I've been thru so many links. A lot of people talks about it, but no1 has a solution, when vista defragmentation never finish does it means the job is done but it forget to signal "finish"? or it is just a buggy prog. that doesn't known how to stop? (Hardware)