Yep, been there also. Has nothing to do with Live Mail client other than indirectly. and, unfortunately as some have noticed, the typical 'Ctrl +' zoom function is not available in the package.
its an aside, but I actually think Win XP's appearance controls were superior to Windows 7 - Windows 7 combines functions I guess in an effort to make things simpler, but the descriptives don't really tip you off. You have limited choices of choosing contrasting colors for individual widgets & fonts, for instance, and the control for Font sizes has somewhat unpredictable consequences on other things like icons and window sizes & colors.
The pervasive use of pale colors in all things nuevo Microsoft are very hard for someone with weak vision [like blue font on a pale blue background......