Visual Studio requires that Windows XP Service Pack 2 be installed on your computer before you install Visual Studio. You ...

Visual Studio requires that Windows XP Service Pack 2 be installed on your 
computer before you install Visual Studio. You can download and install this Service Pack from http://windowsupdate.microsoft.com/. The Internet Explorer 6.0 Service Pack 1 
is included in the Windows XP Service Pack 2 as well.  After you install this 
Service Pack, you are required to restart your computer. Visual Studio setup 
will not automatically restart. To restart Visual Studio setup, double-click 
setup.exe on the CD, DVD, or network share you installed from or click the 
appropriate link on the download Web site.