setup project - Make bootstrapper prerequisite to not install under 64bits -

i have setup project installs couple of prerequisites, bootstrapper manifest generator (framework, sqlexpress, video codec) setup project it's 32bits. have check on , msi displays error if 64bits, prerequisites install anyway if 64bits.. first problem have deal, other problem without naming first 1 if 64bits, prerequisite installation of sql express gives error because sql express 32bits , dont want display message. so.. how can make way prevent prerequisites install if 64bits?

i hope can me, thanks!

most need create custom bootstrapper prerequisites.

http://jcrawfor74.wordpress.com/2011/03/03/bootstrap-manifest-generator-2008-how-to-guide-v2/

then need specify install conditions exclude x64. raw xml looks this:

<failif property="processorarchitecture"         compare="valueequalto"         value="ia64"         string="invalidplatformarchitect" />