I have Plus! for XP and I installed that before SP1. There is also a patch available for Plus which fixes a few things, look for the Plus homepage and there may be more info there.
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There are 3 types of people in this world,
1. Those who can count
2. Those who cannot
That's what I meant, I'm trying to install the Service pack for PLUS for XP, and it keeps giving me an error on a file that it's writing to in the temporary directory.