For Internet Explorer - according to the page I found on Microsoft.com the way to roll back from 7.0 to an earlier version is to uninstall 7.0 (in Add and Remove Programs). It will switch back to the previous one by itself. If you're on XP, this means 6.0 - if you're on something earlier than that, then I'm not sure... All I know is that it will roll back to the previous version, because... well... Explorer is Windows and Windows can't work without it - you cannot completely unistall Explorer from a PC (unless you're seriously geek-oriented and I'm not even there yet myself).
Well, this should work. The thing is that on my add / remove page, everything is listed as a Windows update or hotfix or some such. I don't know which one to pick.
