I have a French computer running on 32 bits instead of 64 (Vista). Reinstalled several times iTunes but keep on having failure 42110!! No download available for 32 bits????

Try this user tip:

https://discussions.apple.com/docs/DOC-4831

Hope that helps.

Regards.

Forum Tip: Since you're new here, you've probably not discovered the Search feature available on every Communities page, but next time, it might save you time (and everyone else from having to answer the same question multiple times) if you search a couple of ways for a topic, both in the relevant forums and in the Apple Knowledge Base, before you post a question.