Best place to save user information for Windows XP and Vista applications

I need to save a user's login information in encrypted form for this application I'm building, but I'm not sure of the best place to save the file. I don't want to save it into the program application folder as I want it per user.

So what is the best folder (or way) to save it into?

Edit: Using C++.

Solution

Seems like C:\Documents and Settings\%username%\Local Settings\Application Data may be the appropriate place according to Wikipedia. The article says this location is used for "User-specific and computer-specific application settings".

Edit: Cruizer pointed out in the comments (I'd reply there but I can't comment yet) that in Vista it is C:\Users\%username% and that it shouldn't be hard-coded. Thanks.

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