New ATI VGA driver does not contain Microsoft .NET Framework.
So system will show warning message when log to Windows start up screen.
When see the warning message on Windows screen, please download the .NET Framework from following links.
Microsoft .NET Framework Version 2.0 Redistributable Package Windows XP (x86)
http://www.microsoft.com/downloads/details.aspx?FamilyID=0856eacb-4362-4b0d-8edd-aab15c5e04f5&displaylang=en
Microsoft .NET Framework Version 2.0 Redistributable Package Windows XP 64 bit (x64)
http://www.microsoft.com/downloads/details.aspx?familyid=B44A0000-ACF8-4FA1-AFFB-40E78D788B00&displaylang=en
