Why is AutoCAD 2008 not installing on Vista?
auto cad 2008 is not supported by vista because of 32 bit of cad
here is list of compatibly list of cad which is supported by vista
AutoCAD® 2010
AutoCAD® 2009
AutoCAD® 2008
AutoCAD® 2007
AutoCAD LT® 2010
AutoCAD LT® 2009
AutoCAD LT® 2008
AutoCAD LT® 2007
AutoCAD 2010 is compatible with the 32-bit and 64-bit versions
of Windows Vista Enterprise, Business, Ultimate, and Home Premium
(SP1). AutoCAD 2008, AutoCAD 2009, and AutoCAD LT 2009 are
compatible with the 32-bit and 64-bit versions of Windows Vista
Home Basic, Home Premium, Ultimate, Business, and Enterprise.
AutoCAD LT 2008 is compatible with the 32-bit versions of Windows
Vista Home Basic, Home Premium, Ultimate, Business, and Enterprise.
Service Pack 2 for AutoCAD 2007 and AutoCAD LT 2007 adds support
for Windows Vista 32-bit versions for these releases. To download
Service Pack 2, use one of the following links depending on your
product: