You can use it and it may require fewer code changes for you, but IMO, XML files are the way to go.

>I used to store certain preferences in the Windows registry, using the Local Machine > Software folder.
>
>In Windows 7 that cannot be written to anymore without Administrator rights. I suppose I should use the current_user > software folder now, is this a good place for preferences/settings? I Just wanted to be sure before I do the change.