From what I see, the Read Error Rate is not much to be concerned about. According to the Raw data, your drive has reported no read errors. See this post here for how Seagate handles it (see the second example in the post). Expert is just casting the raw hex data as an int, when it actually stands for two values (Seek Errors and Total Seeks). What is more concerning is the Reallocated (i.e. Bad) Sector count - there's a large number of sectors on the disk that can no longer be accessed, and I think that is what is giving Windows a red flag.
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The Master said: "It is all in vain! I have never yet seen a man who can perceive his own faults and bring the charge home against himself."
>Analects: Book V, Chaper XXVI
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The Master said: "It is all in vain! I have never yet seen a man who can perceive his own faults and bring the charge home against himself."
>Analects: Book V, Chaper XXVI