i can't install visual studio 2008 on windows 7

hey friends i need help please
i can't install visual studio 2008 or 2010 on windows 7
i am working on project that requires visual c sharp and XNA
if any one can help me please reply quickly

nekkidtruth said:

A little more detail would probably yield you help faster. For instance, are you getting any type of an error message? :)

yes i got that message
" the application was unable to start correctly (0*0000006). click OK to close the application"
thank you for reply and i hope that you can help me