If U still unable to run the ASD2010 on win 7 than
1- Unistall ASD
get the following from microsoft
a-Windows6.1-KB958559-x86
b-WindowsXPMode_en-us
Install the both updats
Install ASD2010
goto Programm filer>>ASD folder and select the ACAD.EXE and Right click goto COMPATIBILITY and change it to WINDOWS VISTA
send this to desktop as a link and now run autocad from this link
Hope U will get it usefull