Look -- I run a software development shop -- the one thing we don't say is "there's no way" that something could happen... users will figure out some way to make the wierdest stuff happen.
I'm hopeful that you didn't "intend" for the yahoo toolbar crud to install without first giving me the option of not having it install, but I'm telling you it did -- ignore the user experience at your own peril... I didn't start this thread, another user did, so I'm probably not the only one.
As for the homepage hi-jack, ok, not strictly... instead every time I opened the browser I got a pop up asking if I wanted to change my homepage to Yahoo and my search engine to Yahoo... it gave me the option of saying no, and a check box to say, "don't ask again", but guess what... every time I opened the browser I got the same pop-up again... I know, there's "no way" that could happen ;-)
I used the MS and Firefox methods to hose the yahoo toolbar and they worked just fine. 2+ hours after installing the updated CC Cleaner, my machine is back to where it was pre-install... I'm not spending any more time on it, and I'm bummed that I had a nasty experience with CC Cleaner, which up til now I really liked a lot... I'm just saying dig a little deeper into your installers and you might save a few more users.
good luck -- and out.
cag4