Interesting that this came up a few place in the last couple of days:
Reddit: https://www.reddit.com/r/Netrunner/comments/5zdub6/fihp_question
Twitter: https://twitter.com/ANR_RulesWiki/status/841871736907915266
I’m guess the question arose from the same game? In both previous places @jakodrako is correct:
Whenever a single effect installs multiple cards, it installs them one at a time, and you only ever make choices for effects as they resolve.
The best place on Stimhack for rules questions is here: