Upgrading to 8.51 client needs XP Service Pack 3

Document Subject: Upgrading to 8.51 client needs XP Service Pack 3
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There are a few problems upgrading to Lotus Notes 8.51 when using Windows XP. One problem is that you need XP Service pack 3. People using Windows 7 and Mac OSX don;t seem to be having problems.

Solution seems to be get a MAC.