For what it is worth regarding the pesky 429 error:
I have 2 machines running Vista Ultimate. One is a laptop so I loaded AC ver 4 on that one with the SQL database option (option 3).
(Forgive me yet I don't remember the exact wording yet you can chose 1."Yes this is the only machine runnig AC" or 2."No I will be accessing the database on another computer and don't need the SQL database loaded on this machine" or 3."Maybe. I might use this machine as a standalone and SQL will be loaded.")
It loaded fine, and I didn't even get the error message saying installation had failed. The program started up without any problems. When I loaded it on my Vista Touchscreen desktop I chose option 2. I got the error message saying installation had failed and I got the 429 error and AC wouldn't load. Went back to the office today and reloaded AC with option 3 on my desktop and voila everything worked fine.
I wish I was more knowledgeable about why loading the SQL database made it work. I don't notice any serious decline in machine speed/function. Wondering if anyone could explain why this worked. Also, maybe it can help someone else get around the 429 error. (Note I did not have any of these issues on my XP Pro machines.)
