Changing the browser in Preferences will take effect the next time you create a new project. It will not change your current project's settings.
Okay, didn't see that coming. Rather like a word document having a variable in it that controls where it prints, rather than the user just deciding whilst using word.
Thanks, that solved it, NicotineLL.
Though I just tested my issues with 'newline' and find it wasn't a new problem exclusive to chrome. But that's something for my other thread