.net is not installed?

i try to install autocad 2007 but it said .net is not installed. then i download .net framework from microsoft and install it. i try to install again autocad but it still says the same thing. what do i do?

help!!!!!!!

.net is not installed?windows vista home premium

Microsoft Update "Custom Mode" install everything reboot and repeat until there is nothing left to install.

http://update.microsoft.com/microsoftupd...

For good measure also run

Microsoft OneCare Live, run “full service scan”

Updates windows, virus and spyware scan, disk cleanup, disk fragmentation (if needed), backs up registry and then cleans registry, and checks for open firewall ports

http://onecare.live.com/site/en-us/defau...

Malicious Software Removal Tool (run “full scan”)

http://www.microsoft.com/security/malwar...

.net is not installed?ie tab internet explorer

Try to install .Net (the latest one)

Is your computer 64-bit?